Home / 492,922.20-739,383.30-324,632.55

Finding the Fourth Proportional to 492,922.20, 739,383.30 and 324,632.55

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Solution

The fourth proportional to 492,922.20, 739,383.30 and 324,632.55 is: 486,948.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,922.20 : 739,383.30 = 324,632.55 : x
  2. Step 2: Convert to fraction form
    492,922.20/739,383.30 = 324,632.55/x
  3. Step 3: Cross multiply
    492,922.20x = 739,383.30 × 324,632.55
  4. Step 4: Simplify right side
    492,922.20x = 240,027,886,106.42
  5. Step 5: Solve for x
    x = 240,027,886,106.42/492,922.20
  6. Step 6: Final answer
    x = 486,948.83

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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.