Home / 527,222.59-727,567.56-285,505.43

Finding the Fourth Proportional to 527,222.59, 727,567.56 and 285,505.43

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Solution

The fourth proportional to 527,222.59, 727,567.56 and 285,505.43 is: 393,997.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,222.59 : 727,567.56 = 285,505.43 : x
  2. Step 2: Convert to fraction form
    527,222.59/727,567.56 = 285,505.43/x
  3. Step 3: Cross multiply
    527,222.59x = 727,567.56 × 285,505.43
  4. Step 4: Simplify right side
    527,222.59x = 207,724,485,434.01
  5. Step 5: Solve for x
    x = 207,724,485,434.01/527,222.59
  6. Step 6: Final answer
    x = 393,997.70

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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.