Home / 826,220.61-1,239,326.60-449,535.86

Finding the Fourth Proportional to 826,220.61, 1,239,326.60 and 449,535.86

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Solution

The fourth proportional to 826,220.61, 1,239,326.60 and 449,535.86 is: 674,301.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,220.61 : 1,239,326.60 = 449,535.86 : x
  2. Step 2: Convert to fraction form
    826,220.61/1,239,326.60 = 449,535.86/x
  3. Step 3: Cross multiply
    826,220.61x = 1,239,326.60 × 449,535.86
  4. Step 4: Simplify right side
    826,220.61x = 557,121,745,155.04
  5. Step 5: Solve for x
    x = 557,121,745,155.04/826,220.61
  6. Step 6: Final answer
    x = 674,301.44

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Double scale
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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.