Home / 696,099.70-1,044,149.55-486,147.70

Finding the Fourth Proportional to 696,099.70, 1,044,149.55 and 486,147.70

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Solution

The fourth proportional to 696,099.70, 1,044,149.55 and 486,147.70 is: 729,221.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,099.70 : 1,044,149.55 = 486,147.70 : x
  2. Step 2: Convert to fraction form
    696,099.70/1,044,149.55 = 486,147.70/x
  3. Step 3: Cross multiply
    696,099.70x = 1,044,149.55 × 486,147.70
  4. Step 4: Simplify right side
    696,099.70x = 507,610,902,188.54
  5. Step 5: Solve for x
    x = 507,610,902,188.54/696,099.70
  6. Step 6: Final answer
    x = 729,221.55

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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.