Home / 527,932.60-791,898.90-520,059.40

Finding the Fourth Proportional to 527,932.60, 791,898.90 and 520,059.40

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Solution

The fourth proportional to 527,932.60, 791,898.90 and 520,059.40 is: 780,089.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,932.60 : 791,898.90 = 520,059.40 : x
  2. Step 2: Convert to fraction form
    527,932.60/791,898.90 = 520,059.40/x
  3. Step 3: Cross multiply
    527,932.60x = 791,898.90 × 520,059.40
  4. Step 4: Simplify right side
    527,932.60x = 411,834,466,794.66
  5. Step 5: Solve for x
    x = 411,834,466,794.66/527,932.60
  6. Step 6: Final answer
    x = 780,089.10

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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.