Home / 527,199.23-727,538.40-285,481.82

Finding the Fourth Proportional to 527,199.23, 727,538.40 and 285,481.82

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Solution

The fourth proportional to 527,199.23, 727,538.40 and 285,481.82 is: 393,966.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,199.23 : 727,538.40 = 285,481.82 : x
  2. Step 2: Convert to fraction form
    527,199.23/727,538.40 = 285,481.82/x
  3. Step 3: Cross multiply
    527,199.23x = 727,538.40 × 285,481.82
  4. Step 4: Simplify right side
    527,199.23x = 207,698,988,370.73
  5. Step 5: Solve for x
    x = 207,698,988,370.73/527,199.23
  6. Step 6: Final answer
    x = 393,966.79

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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.