Home / 930,905.62-1,396,358.51-299,819.43

Finding the Fourth Proportional to 930,905.62, 1,396,358.51 and 299,819.43

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Solution

The fourth proportional to 930,905.62, 1,396,358.51 and 299,819.43 is: 449,729.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,905.62 : 1,396,358.51 = 299,819.43 : x
  2. Step 2: Convert to fraction form
    930,905.62/1,396,358.51 = 299,819.43/x
  3. Step 3: Cross multiply
    930,905.62x = 1,396,358.51 × 299,819.43
  4. Step 4: Simplify right side
    930,905.62x = 418,655,412,543.85
  5. Step 5: Solve for x
    x = 418,655,412,543.85/930,905.62
  6. Step 6: Final answer
    x = 449,729.17

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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.