Home / 417,831.28-576,642.85-236,575.15

Finding the Fourth Proportional to 417,831.28, 576,642.85 and 236,575.15

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Solution

The fourth proportional to 417,831.28, 576,642.85 and 236,575.15 is: 326,493.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,831.28 : 576,642.85 = 236,575.15 : x
  2. Step 2: Convert to fraction form
    417,831.28/576,642.85 = 236,575.15/x
  3. Step 3: Cross multiply
    417,831.28x = 576,642.85 × 236,575.15
  4. Step 4: Simplify right side
    417,831.28x = 136,419,366,702.13
  5. Step 5: Solve for x
    x = 136,419,366,702.13/417,831.28
  6. Step 6: Final answer
    x = 326,493.91

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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.