Home / 481,101.76-663,909.96-263,309.38

Finding the Fourth Proportional to 481,101.76, 663,909.96 and 263,309.38

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Solution

The fourth proportional to 481,101.76, 663,909.96 and 263,309.38 is: 363,361.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,101.76 : 663,909.96 = 263,309.38 : x
  2. Step 2: Convert to fraction form
    481,101.76/663,909.96 = 263,309.38/x
  3. Step 3: Cross multiply
    481,101.76x = 663,909.96 × 263,309.38
  4. Step 4: Simplify right side
    481,101.76x = 174,813,719,943.43
  5. Step 5: Solve for x
    x = 174,813,719,943.43/481,101.76
  6. Step 6: Final answer
    x = 363,361.21

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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.