Finding the Fourth Proportional to 1,251,727.79, 1,727,395.16 and 678,767.99
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Solution
The fourth proportional to 1,251,727.79, 1,727,395.16 and 678,767.99 is: 936,705.68
Step by Step Solution
- Step 1: Write the proportion equation
1,251,727.79 : 1,727,395.16 = 678,767.99 : x - Step 2: Convert to fraction form
1,251,727.79/1,727,395.16 = 678,767.99/x - Step 3: Cross multiply
1,251,727.79x = 1,727,395.16 × 678,767.99 - Step 4: Simplify right side
1,251,727.79x = 1,172,500,528,658.11 - Step 5: Solve for x
x = 1,172,500,528,658.11/1,251,727.79 - Step 6: Final answer
x = 936,705.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.