Home / 825,998.96-1,237,229.40-404,397.20

Finding the Fourth Proportional to 825,998.96, 1,237,229.40 and 404,397.20

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Solution

The fourth proportional to 825,998.96, 1,237,229.40 and 404,397.20 is: 605,729.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,998.96 : 1,237,229.40 = 404,397.20 : x
  2. Step 2: Convert to fraction form
    825,998.96/1,237,229.40 = 404,397.20/x
  3. Step 3: Cross multiply
    825,998.96x = 1,237,229.40 × 404,397.20
  4. Step 4: Simplify right side
    825,998.96x = 500,332,105,117.68
  5. Step 5: Solve for x
    x = 500,332,105,117.68/825,998.96
  6. Step 6: Final answer
    x = 605,729.70

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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.