Home / 527,288.15-727,654.03-285,565.25

Finding the Fourth Proportional to 527,288.15, 727,654.03 and 285,565.25

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Solution

The fourth proportional to 527,288.15, 727,654.03 and 285,565.25 is: 394,078.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,288.15 : 727,654.03 = 285,565.25 : x
  2. Step 2: Convert to fraction form
    527,288.15/727,654.03 = 285,565.25/x
  3. Step 3: Cross multiply
    527,288.15x = 727,654.03 × 285,565.25
  4. Step 4: Simplify right side
    527,288.15x = 207,792,700,638.27
  5. Step 5: Solve for x
    x = 207,792,700,638.27/527,288.15
  6. Step 6: Final answer
    x = 394,078.08

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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.