Home / 826,942.80-1,240,414.20-227,902.80

Finding the Fourth Proportional to 826,942.80, 1,240,414.20 and 227,902.80

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Solution

The fourth proportional to 826,942.80, 1,240,414.20 and 227,902.80 is: 341,854.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,942.80 : 1,240,414.20 = 227,902.80 : x
  2. Step 2: Convert to fraction form
    826,942.80/1,240,414.20 = 227,902.80/x
  3. Step 3: Cross multiply
    826,942.80x = 1,240,414.20 × 227,902.80
  4. Step 4: Simplify right side
    826,942.80x = 282,693,869,339.76
  5. Step 5: Solve for x
    x = 282,693,869,339.76/826,942.80
  6. Step 6: Final answer
    x = 341,854.20

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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.