Home / 527,560.89-791,341.26-128,198.89

Finding the Fourth Proportional to 527,560.89, 791,341.26 and 128,198.89

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Solution

The fourth proportional to 527,560.89, 791,341.26 and 128,198.89 is: 192,298.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,560.89 : 791,341.26 = 128,198.89 : x
  2. Step 2: Convert to fraction form
    527,560.89/791,341.26 = 128,198.89/x
  3. Step 3: Cross multiply
    527,560.89x = 791,341.26 × 128,198.89
  4. Step 4: Simplify right side
    527,560.89x = 101,449,071,143.20
  5. Step 5: Solve for x
    x = 101,449,071,143.20/527,560.89
  6. Step 6: Final answer
    x = 192,298.32

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.