Home / 527,542.53-791,314.79-128,183.64

Finding the Fourth Proportional to 527,542.53, 791,314.79 and 128,183.64

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Solution

The fourth proportional to 527,542.53, 791,314.79 and 128,183.64 is: 192,275.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,542.53 : 791,314.79 = 128,183.64 : x
  2. Step 2: Convert to fraction form
    527,542.53/791,314.79 = 128,183.64/x
  3. Step 3: Cross multiply
    527,542.53x = 791,314.79 × 128,183.64
  4. Step 4: Simplify right side
    527,542.53x = 101,433,609,527.12
  5. Step 5: Solve for x
    x = 101,433,609,527.12/527,542.53
  6. Step 6: Final answer
    x = 192,275.70

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1.5x scale

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.