Home / 625,831.03-938,435.85-199,311.22

Finding the Fourth Proportional to 625,831.03, 938,435.85 and 199,311.22

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Solution

The fourth proportional to 625,831.03, 938,435.85 and 199,311.22 is: 298,867.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,831.03 : 938,435.85 = 199,311.22 : x
  2. Step 2: Convert to fraction form
    625,831.03/938,435.85 = 199,311.22/x
  3. Step 3: Cross multiply
    625,831.03x = 938,435.85 × 199,311.22
  4. Step 4: Simplify right side
    625,831.03x = 187,040,794,155.24
  5. Step 5: Solve for x
    x = 187,040,794,155.24/625,831.03
  6. Step 6: Final answer
    x = 298,867.88

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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.