Home / 483,905.54-667,786.20-269,043.86

Finding the Fourth Proportional to 483,905.54, 667,786.20 and 269,043.86

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Solution

The fourth proportional to 483,905.54, 667,786.20 and 269,043.86 is: 371,278.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,905.54 : 667,786.20 = 269,043.86 : x
  2. Step 2: Convert to fraction form
    483,905.54/667,786.20 = 269,043.86/x
  3. Step 3: Cross multiply
    483,905.54x = 667,786.20 × 269,043.86
  4. Step 4: Simplify right side
    483,905.54x = 179,663,776,902.73
  5. Step 5: Solve for x
    x = 179,663,776,902.73/483,905.54
  6. Step 6: Final answer
    x = 371,278.61

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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.