Home / 527,864.10-791,796.15-128,501.70

Finding the Fourth Proportional to 527,864.10, 791,796.15 and 128,501.70

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Solution

The fourth proportional to 527,864.10, 791,796.15 and 128,501.70 is: 192,752.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,864.10 : 791,796.15 = 128,501.70 : x
  2. Step 2: Convert to fraction form
    527,864.10/791,796.15 = 128,501.70/x
  3. Step 3: Cross multiply
    527,864.10x = 791,796.15 × 128,501.70
  4. Step 4: Simplify right side
    527,864.10x = 101,747,151,328.46
  5. Step 5: Solve for x
    x = 101,747,151,328.46/527,864.10
  6. Step 6: Final answer
    x = 192,752.55

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Similar ratio
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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.