Home / 481,752.03-663,747.24-318,117.96

Finding the Fourth Proportional to 481,752.03, 663,747.24 and 318,117.96

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Solution

The fourth proportional to 481,752.03, 663,747.24 and 318,117.96 is: 438,295.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,752.03 : 663,747.24 = 318,117.96 : x
  2. Step 2: Convert to fraction form
    481,752.03/663,747.24 = 318,117.96/x
  3. Step 3: Cross multiply
    481,752.03x = 663,747.24 × 318,117.96
  4. Step 4: Simplify right side
    481,752.03x = 211,149,917,944.43
  5. Step 5: Solve for x
    x = 211,149,917,944.43/481,752.03
  6. Step 6: Final answer
    x = 438,295.86

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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.