Home / 436,366.26-654,548.31-120,822.12

Finding the Fourth Proportional to 436,366.26, 654,548.31 and 120,822.12

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Solution

The fourth proportional to 436,366.26, 654,548.31 and 120,822.12 is: 181,232.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,366.26 : 654,548.31 = 120,822.12 : x
  2. Step 2: Convert to fraction form
    436,366.26/654,548.31 = 120,822.12/x
  3. Step 3: Cross multiply
    436,366.26x = 654,548.31 × 120,822.12
  4. Step 4: Simplify right side
    436,366.26x = 79,083,914,456.62
  5. Step 5: Solve for x
    x = 79,083,914,456.62/436,366.26
  6. Step 6: Final answer
    x = 181,232.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.