Home / 391,933.46-540,867.76-222,167.59

Finding the Fourth Proportional to 391,933.46, 540,867.76 and 222,167.59

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Solution

The fourth proportional to 391,933.46, 540,867.76 and 222,167.59 is: 306,591.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,933.46 : 540,867.76 = 222,167.59 : x
  2. Step 2: Convert to fraction form
    391,933.46/540,867.76 = 222,167.59/x
  3. Step 3: Cross multiply
    391,933.46x = 540,867.76 × 222,167.59
  4. Step 4: Simplify right side
    391,933.46x = 120,163,286,747.90
  5. Step 5: Solve for x
    x = 120,163,286,747.90/391,933.46
  6. Step 6: Final answer
    x = 306,591.04

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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.