Home / 712,220.13-1,067,831.97-357,040.39

Finding the Fourth Proportional to 712,220.13, 1,067,831.97 and 357,040.39

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Solution

The fourth proportional to 712,220.13, 1,067,831.97 and 357,040.39 is: 535,310.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,220.13 : 1,067,831.97 = 357,040.39 : x
  2. Step 2: Convert to fraction form
    712,220.13/1,067,831.97 = 357,040.39/x
  3. Step 3: Cross multiply
    712,220.13x = 1,067,831.97 × 357,040.39
  4. Step 4: Simplify right side
    712,220.13x = 381,259,145,772.92
  5. Step 5: Solve for x
    x = 381,259,145,772.92/712,220.13
  6. Step 6: Final answer
    x = 535,310.83

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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.