Home / 398,932.74-550,524.58-226,850.72

Finding the Fourth Proportional to 398,932.74, 550,524.58 and 226,850.72

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Solution

The fourth proportional to 398,932.74, 550,524.58 and 226,850.72 is: 313,052.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,932.74 : 550,524.58 = 226,850.72 : x
  2. Step 2: Convert to fraction form
    398,932.74/550,524.58 = 226,850.72/x
  3. Step 3: Cross multiply
    398,932.74x = 550,524.58 × 226,850.72
  4. Step 4: Simplify right side
    398,932.74x = 124,886,897,350.70
  5. Step 5: Solve for x
    x = 124,886,897,350.70/398,932.74
  6. Step 6: Final answer
    x = 313,052.51

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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.