Home / 531,540.16-797,624.48-215,972.80

Finding the Fourth Proportional to 531,540.16, 797,624.48 and 215,972.80

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Solution

The fourth proportional to 531,540.16, 797,624.48 and 215,972.80 is: 324,086.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,540.16 : 797,624.48 = 215,972.80 : x
  2. Step 2: Convert to fraction form
    531,540.16/797,624.48 = 215,972.80/x
  3. Step 3: Cross multiply
    531,540.16x = 797,624.48 × 215,972.80
  4. Step 4: Simplify right side
    531,540.16x = 172,265,192,294.14
  5. Step 5: Solve for x
    x = 172,265,192,294.14/531,540.16
  6. Step 6: Final answer
    x = 324,086.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.