Three partners invested in a business in the ratio of 6 : 7 : 9 They invested their capital for 7 months, 3 months, and 9 months, respectively. Find the ratio of their profits.

Three partners invested in a business in the ratio of 6 : 7 : 9 They invested their capital for 7 months, 3 months, and 9 months, respectively. Find the ratio of their profits.
तीन साझेदारों ने एक व्यवसाय में 6 : 7 : 9 के अनुपात में निवेश किया। उन्होंने अपनी पूंजी क्रमशः 7 माह, 3 माह और 9 माह के लिए निवेश की। उनके लाभों का अनुपात ज्ञात कीजिए।