Home / 527,482.22-791,217.14-128,123.36

Finding the Fourth Proportional to 527,482.22, 791,217.14 and 128,123.36

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Solution

The fourth proportional to 527,482.22, 791,217.14 and 128,123.36 is: 192,183.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,482.22 : 791,217.14 = 128,123.36 : x
  2. Step 2: Convert to fraction form
    527,482.22/791,217.14 = 128,123.36/x
  3. Step 3: Cross multiply
    527,482.22x = 791,217.14 × 128,123.36
  4. Step 4: Simplify right side
    527,482.22x = 101,373,393,869.69
  5. Step 5: Solve for x
    x = 101,373,393,869.69/527,482.22
  6. Step 6: Final answer
    x = 192,183.53

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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.