Home / 439,109.26-605,962.92-248,118.56

Finding the Fourth Proportional to 439,109.26, 605,962.92 and 248,118.56

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Solution

The fourth proportional to 439,109.26, 605,962.92 and 248,118.56 is: 342,399.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,109.26 : 605,962.92 = 248,118.56 : x
  2. Step 2: Convert to fraction form
    439,109.26/605,962.92 = 248,118.56/x
  3. Step 3: Cross multiply
    439,109.26x = 605,962.92 × 248,118.56
  4. Step 4: Simplify right side
    439,109.26x = 150,350,647,123.80
  5. Step 5: Solve for x
    x = 150,350,647,123.80/439,109.26
  6. Step 6: Final answer
    x = 342,399.17

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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.