Finding the Fourth Proportional to 1,036,747.19, 1,430,537.70 and 577,761.14
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Solution
The fourth proportional to 1,036,747.19, 1,430,537.70 and 577,761.14 is: 797,213.73
Step by Step Solution
- Step 1: Write the proportion equation
1,036,747.19 : 1,430,537.70 = 577,761.14 : x - Step 2: Convert to fraction form
1,036,747.19/1,430,537.70 = 577,761.14/x - Step 3: Cross multiply
1,036,747.19x = 1,430,537.70 × 577,761.14 - Step 4: Simplify right side
1,036,747.19x = 826,509,092,364.98 - Step 5: Solve for x
x = 826,509,092,364.98/1,036,747.19 - Step 6: Final answer
x = 797,213.73
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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.