Home / 437,290.62-655,936.65-121,747.38

Finding the Fourth Proportional to 437,290.62, 655,936.65 and 121,747.38

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Solution

The fourth proportional to 437,290.62, 655,936.65 and 121,747.38 is: 182,621.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,290.62 : 655,936.65 = 121,747.38 : x
  2. Step 2: Convert to fraction form
    437,290.62/655,936.65 = 121,747.38/x
  3. Step 3: Cross multiply
    437,290.62x = 655,936.65 × 121,747.38
  4. Step 4: Simplify right side
    437,290.62x = 79,858,568,583.48
  5. Step 5: Solve for x
    x = 79,858,568,583.48/437,290.62
  6. Step 6: Final answer
    x = 182,621.27

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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.