Home / 826,940.80-1,240,411.20-227,900.80

Finding the Fourth Proportional to 826,940.80, 1,240,411.20 and 227,900.80

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Solution

The fourth proportional to 826,940.80, 1,240,411.20 and 227,900.80 is: 341,851.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,940.80 : 1,240,411.20 = 227,900.80 : x
  2. Step 2: Convert to fraction form
    826,940.80/1,240,411.20 = 227,900.80/x
  3. Step 3: Cross multiply
    826,940.80x = 1,240,411.20 × 227,900.80
  4. Step 4: Simplify right side
    826,940.80x = 282,690,704,808.96
  5. Step 5: Solve for x
    x = 282,690,704,808.96/826,940.80
  6. Step 6: Final answer
    x = 341,851.20

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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.