Home / 715,562.46-987,081.75-581,193.18

Finding the Fourth Proportional to 715,562.46, 987,081.75 and 581,193.18

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Solution

The fourth proportional to 715,562.46, 987,081.75 and 581,193.18 is: 801,726.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,562.46 : 987,081.75 = 581,193.18 : x
  2. Step 2: Convert to fraction form
    715,562.46/987,081.75 = 581,193.18/x
  3. Step 3: Cross multiply
    715,562.46x = 987,081.75 × 581,193.18
  4. Step 4: Simplify right side
    715,562.46x = 573,685,181,202.47
  5. Step 5: Solve for x
    x = 573,685,181,202.47/715,562.46
  6. Step 6: Final answer
    x = 801,726.21

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1.5x scale

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.