Home / 826,966.78-1,240,226.12-227,785.43

Finding the Fourth Proportional to 826,966.78, 1,240,226.12 and 227,785.43

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Solution

The fourth proportional to 826,966.78, 1,240,226.12 and 227,785.43 is: 341,616.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,966.78 : 1,240,226.12 = 227,785.43 : x
  2. Step 2: Convert to fraction form
    826,966.78/1,240,226.12 = 227,785.43/x
  3. Step 3: Cross multiply
    826,966.78x = 1,240,226.12 × 227,785.43
  4. Step 4: Simplify right side
    826,966.78x = 282,505,443,711.46
  5. Step 5: Solve for x
    x = 282,505,443,711.46/826,966.78
  6. Step 6: Final answer
    x = 341,616.44

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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.