Home / 527,202.59-727,538.25-285,485.14

Finding the Fourth Proportional to 527,202.59, 727,538.25 and 285,485.14

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Solution

The fourth proportional to 527,202.59, 727,538.25 and 285,485.14 is: 393,968.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,202.59 : 727,538.25 = 285,485.14 : x
  2. Step 2: Convert to fraction form
    527,202.59/727,538.25 = 285,485.14/x
  3. Step 3: Cross multiply
    527,202.59x = 727,538.25 × 285,485.14
  4. Step 4: Simplify right side
    527,202.59x = 207,701,357,337.76
  5. Step 5: Solve for x
    x = 207,701,357,337.76/527,202.59
  6. Step 6: Final answer
    x = 393,968.78

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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.