Home / 748,053.70-1,122,080.55-667,183.30

Finding the Fourth Proportional to 748,053.70, 1,122,080.55 and 667,183.30

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Solution

The fourth proportional to 748,053.70, 1,122,080.55 and 667,183.30 is: 1,000,774.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,053.70 : 1,122,080.55 = 667,183.30 : x
  2. Step 2: Convert to fraction form
    748,053.70/1,122,080.55 = 667,183.30/x
  3. Step 3: Cross multiply
    748,053.70x = 1,122,080.55 × 667,183.30
  4. Step 4: Simplify right side
    748,053.70x = 748,633,404,214.82
  5. Step 5: Solve for x
    x = 748,633,404,214.82/748,053.70
  6. Step 6: Final answer
    x = 1,000,774.95

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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.