Home / 868,545.36-1,198,640.40-481,352.73

Finding the Fourth Proportional to 868,545.36, 1,198,640.40 and 481,352.73

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Solution

The fourth proportional to 868,545.36, 1,198,640.40 and 481,352.73 is: 664,293.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,545.36 : 1,198,640.40 = 481,352.73 : x
  2. Step 2: Convert to fraction form
    868,545.36/1,198,640.40 = 481,352.73/x
  3. Step 3: Cross multiply
    868,545.36x = 1,198,640.40 × 481,352.73
  4. Step 4: Simplify right side
    868,545.36x = 576,968,828,828.29
  5. Step 5: Solve for x
    x = 576,968,828,828.29/868,545.36
  6. Step 6: Final answer
    x = 664,293.26

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.