Home / 480,561.38-721,138.53-244,073.78

Finding the Fourth Proportional to 480,561.38, 721,138.53 and 244,073.78

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Solution

The fourth proportional to 480,561.38, 721,138.53 and 244,073.78 is: 366,261.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,561.38 : 721,138.53 = 244,073.78 : x
  2. Step 2: Convert to fraction form
    480,561.38/721,138.53 = 244,073.78/x
  3. Step 3: Cross multiply
    480,561.38x = 721,138.53 × 244,073.78
  4. Step 4: Simplify right side
    480,561.38x = 176,011,006,920.74
  5. Step 5: Solve for x
    x = 176,011,006,920.74/480,561.38
  6. Step 6: Final answer
    x = 366,261.24

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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.