Home / 483,930.72-667,786.20-269,057.76

Finding the Fourth Proportional to 483,930.72, 667,786.20 and 269,057.76

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Solution

The fourth proportional to 483,930.72, 667,786.20 and 269,057.76 is: 371,278.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,930.72 : 667,786.20 = 269,057.76 : x
  2. Step 2: Convert to fraction form
    483,930.72/667,786.20 = 269,057.76/x
  3. Step 3: Cross multiply
    483,930.72x = 667,786.20 × 269,057.76
  4. Step 4: Simplify right side
    483,930.72x = 179,673,059,130.91
  5. Step 5: Solve for x
    x = 179,673,059,130.91/483,930.72
  6. Step 6: Final answer
    x = 371,278.47

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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.