Home / 815,480.92-1,125,395.33-452,932.34

Finding the Fourth Proportional to 815,480.92, 1,125,395.33 and 452,932.34

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Solution

The fourth proportional to 815,480.92, 1,125,395.33 and 452,932.34 is: 625,064.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,480.92 : 1,125,395.33 = 452,932.34 : x
  2. Step 2: Convert to fraction form
    815,480.92/1,125,395.33 = 452,932.34/x
  3. Step 3: Cross multiply
    815,480.92x = 1,125,395.33 × 452,932.34
  4. Step 4: Simplify right side
    815,480.92x = 509,727,940,241.97
  5. Step 5: Solve for x
    x = 509,727,940,241.97/815,480.92
  6. Step 6: Final answer
    x = 625,064.21

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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.