Finding the Fourth Proportional to 1,255,382.24, 1,732,391.01 and 711,568.08
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Solution
The fourth proportional to 1,255,382.24, 1,732,391.01 and 711,568.08 is: 981,943.28
Step by Step Solution
- Step 1: Write the proportion equation
1,255,382.24 : 1,732,391.01 = 711,568.08 : x - Step 2: Convert to fraction form
1,255,382.24/1,732,391.01 = 711,568.08/x - Step 3: Cross multiply
1,255,382.24x = 1,732,391.01 × 711,568.08 - Step 4: Simplify right side
1,255,382.24x = 1,232,714,144,794.96 - Step 5: Solve for x
x = 1,232,714,144,794.96/1,255,382.24 - Step 6: Final answer
x = 981,943.28
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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.