Finding the Fourth Proportional to 1,272,472.66, 1,908,206.79 and 514,171.18
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Solution
The fourth proportional to 1,272,472.66, 1,908,206.79 and 514,171.18 is: 771,053.84
Step by Step Solution
- Step 1: Write the proportion equation
1,272,472.66 : 1,908,206.79 = 514,171.18 : x - Step 2: Convert to fraction form
1,272,472.66/1,908,206.79 = 514,171.18/x - Step 3: Cross multiply
1,272,472.66x = 1,908,206.79 × 514,171.18 - Step 4: Simplify right side
1,272,472.66x = 981,144,936,898.31 - Step 5: Solve for x
x = 981,144,936,898.31/1,272,472.66 - Step 6: Final answer
x = 771,053.84
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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.