Home / 738,149.70-1,104,600.15-512,451.30

Finding the Fourth Proportional to 738,149.70, 1,104,600.15 and 512,451.30

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Solution

The fourth proportional to 738,149.70, 1,104,600.15 and 512,451.30 is: 766,854.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,149.70 : 1,104,600.15 = 512,451.30 : x
  2. Step 2: Convert to fraction form
    738,149.70/1,104,600.15 = 512,451.30/x
  3. Step 3: Cross multiply
    738,149.70x = 1,104,600.15 × 512,451.30
  4. Step 4: Simplify right side
    738,149.70x = 566,053,782,847.70
  5. Step 5: Solve for x
    x = 566,053,782,847.70/738,149.70
  6. Step 6: Final answer
    x = 766,854.99

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Double scale
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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.