Home / 649,788.99-974,476.20-223,221.96

Finding the Fourth Proportional to 649,788.99, 974,476.20 and 223,221.96

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Solution

The fourth proportional to 649,788.99, 974,476.20 and 223,221.96 is: 334,761.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,788.99 : 974,476.20 = 223,221.96 : x
  2. Step 2: Convert to fraction form
    649,788.99/974,476.20 = 223,221.96/x
  3. Step 3: Cross multiply
    649,788.99x = 974,476.20 × 223,221.96
  4. Step 4: Simplify right side
    649,788.99x = 217,524,487,337.35
  5. Step 5: Solve for x
    x = 217,524,487,337.35/649,788.99
  6. Step 6: Final answer
    x = 334,761.73

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Double scale
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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.