Home / 412,588.26-618,754.22-199,223.52

Finding the Fourth Proportional to 412,588.26, 618,754.22 and 199,223.52

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Solution

The fourth proportional to 412,588.26, 618,754.22 and 199,223.52 is: 298,773.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,588.26 : 618,754.22 = 199,223.52 : x
  2. Step 2: Convert to fraction form
    412,588.26/618,754.22 = 199,223.52/x
  3. Step 3: Cross multiply
    412,588.26x = 618,754.22 × 199,223.52
  4. Step 4: Simplify right side
    412,588.26x = 123,270,392,674.43
  5. Step 5: Solve for x
    x = 123,270,392,674.43/412,588.26
  6. Step 6: Final answer
    x = 298,773.39

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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.