Home / 527,484.04-791,215.26-128,126.92

Finding the Fourth Proportional to 527,484.04, 791,215.26 and 128,126.92

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Solution

The fourth proportional to 527,484.04, 791,215.26 and 128,126.92 is: 192,187.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,484.04 : 791,215.26 = 128,126.92 : x
  2. Step 2: Convert to fraction form
    527,484.04/791,215.26 = 128,126.92/x
  3. Step 3: Cross multiply
    527,484.04x = 791,215.26 × 128,126.92
  4. Step 4: Simplify right side
    527,484.04x = 101,375,974,320.80
  5. Step 5: Solve for x
    x = 101,375,974,320.80/527,484.04
  6. Step 6: Final answer
    x = 192,187.76

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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.