Home / 527,185.53-727,519.52-285,468.10

Finding the Fourth Proportional to 527,185.53, 727,519.52 and 285,468.10

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Solution

The fourth proportional to 527,185.53, 727,519.52 and 285,468.10 is: 393,947.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,185.53 : 727,519.52 = 285,468.10 : x
  2. Step 2: Convert to fraction form
    527,185.53/727,519.52 = 285,468.10/x
  3. Step 3: Cross multiply
    527,185.53x = 727,519.52 × 285,468.10
  4. Step 4: Simplify right side
    527,185.53x = 207,683,613,982.18
  5. Step 5: Solve for x
    x = 207,683,613,982.18/527,185.53
  6. Step 6: Final answer
    x = 393,947.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.