Home / 527,517.06-727,974.25-285,799.65

Finding the Fourth Proportional to 527,517.06, 727,974.25 and 285,799.65

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Solution

The fourth proportional to 527,517.06, 727,974.25 and 285,799.65 is: 394,403.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,517.06 : 727,974.25 = 285,799.65 : x
  2. Step 2: Convert to fraction form
    527,517.06/727,974.25 = 285,799.65/x
  3. Step 3: Cross multiply
    527,517.06x = 727,974.25 × 285,799.65
  4. Step 4: Simplify right side
    527,517.06x = 208,054,785,859.01
  5. Step 5: Solve for x
    x = 208,054,785,859.01/527,517.06
  6. Step 6: Final answer
    x = 394,403.90

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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.