Home / 527,511.15-727,964.42-285,799.73

Finding the Fourth Proportional to 527,511.15, 727,964.42 and 285,799.73

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Solution

The fourth proportional to 527,511.15, 727,964.42 and 285,799.73 is: 394,403.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,511.15 : 727,964.42 = 285,799.73 : x
  2. Step 2: Convert to fraction form
    527,511.15/727,964.42 = 285,799.73/x
  3. Step 3: Cross multiply
    527,511.15x = 727,964.42 × 285,799.73
  4. Step 4: Simplify right side
    527,511.15x = 208,052,029,616.79
  5. Step 5: Solve for x
    x = 208,052,029,616.79/527,511.15
  6. Step 6: Final answer
    x = 394,403.09

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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.