Home / 527,082.56-789,961.68-227,212.16

Finding the Fourth Proportional to 527,082.56, 789,961.68 and 227,212.16

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Solution

The fourth proportional to 527,082.56, 789,961.68 and 227,212.16 is: 340,532.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,082.56 : 789,961.68 = 227,212.16 : x
  2. Step 2: Convert to fraction form
    527,082.56/789,961.68 = 227,212.16/x
  3. Step 3: Cross multiply
    527,082.56x = 789,961.68 × 227,212.16
  4. Step 4: Simplify right side
    527,082.56x = 179,488,899,630.03
  5. Step 5: Solve for x
    x = 179,488,899,630.03/527,082.56
  6. Step 6: Final answer
    x = 340,532.80

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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.