Home / 527,023.15-727,292.19-285,305.73

Finding the Fourth Proportional to 527,023.15, 727,292.19 and 285,305.73

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Solution

The fourth proportional to 527,023.15, 727,292.19 and 285,305.73 is: 393,722.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,023.15 : 727,292.19 = 285,305.73 : x
  2. Step 2: Convert to fraction form
    527,023.15/727,292.19 = 285,305.73/x
  3. Step 3: Cross multiply
    527,023.15x = 727,292.19 × 285,305.73
  4. Step 4: Simplify right side
    527,023.15x = 207,500,629,191.25
  5. Step 5: Solve for x
    x = 207,500,629,191.25/527,023.15
  6. Step 6: Final answer
    x = 393,722.04

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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.