Home / 826,560.80-1,239,841.20-227,614.40

Finding the Fourth Proportional to 826,560.80, 1,239,841.20 and 227,614.40

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Solution

The fourth proportional to 826,560.80, 1,239,841.20 and 227,614.40 is: 341,421.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,560.80 : 1,239,841.20 = 227,614.40 : x
  2. Step 2: Convert to fraction form
    826,560.80/1,239,841.20 = 227,614.40/x
  3. Step 3: Cross multiply
    826,560.80x = 1,239,841.20 × 227,614.40
  4. Step 4: Simplify right side
    826,560.80x = 282,205,710,833.28
  5. Step 5: Solve for x
    x = 282,205,710,833.28/826,560.80
  6. Step 6: Final answer
    x = 341,421.60

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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.