Home / 748,922.14-1,123,272.49-275,496.78

Finding the Fourth Proportional to 748,922.14, 1,123,272.49 and 275,496.78

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Solution

The fourth proportional to 748,922.14, 1,123,272.49 and 275,496.78 is: 413,204.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,922.14 : 1,123,272.49 = 275,496.78 : x
  2. Step 2: Convert to fraction form
    748,922.14/1,123,272.49 = 275,496.78/x
  3. Step 3: Cross multiply
    748,922.14x = 1,123,272.49 × 275,496.78
  4. Step 4: Simplify right side
    748,922.14x = 309,457,954,057.58
  5. Step 5: Solve for x
    x = 309,457,954,057.58/748,922.14
  6. Step 6: Final answer
    x = 413,204.44

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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.