Finding the Fourth Proportional to 1,861,728.13, 2,792,536.61 and 513,972.98
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Solution
The fourth proportional to 1,861,728.13, 2,792,536.61 and 513,972.98 is: 770,944.12
Step by Step Solution
- Step 1: Write the proportion equation
1,861,728.13 : 2,792,536.61 = 513,972.98 : x - Step 2: Convert to fraction form
1,861,728.13/2,792,536.61 = 513,972.98/x - Step 3: Cross multiply
1,861,728.13x = 2,792,536.61 × 513,972.98 - Step 4: Simplify right side
1,861,728.13x = 1,435,288,357,140.26 - Step 5: Solve for x
x = 1,435,288,357,140.26/1,861,728.13 - Step 6: Final answer
x = 770,944.12
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.