Home / 482,134.41-722,868.03-212,132.79

Finding the Fourth Proportional to 482,134.41, 722,868.03 and 212,132.79

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Solution

The fourth proportional to 482,134.41, 722,868.03 and 212,132.79 is: 318,052.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,134.41 : 722,868.03 = 212,132.79 : x
  2. Step 2: Convert to fraction form
    482,134.41/722,868.03 = 212,132.79/x
  3. Step 3: Cross multiply
    482,134.41x = 722,868.03 × 212,132.79
  4. Step 4: Simplify right side
    482,134.41x = 153,344,012,005.70
  5. Step 5: Solve for x
    x = 153,344,012,005.70/482,134.41
  6. Step 6: Final answer
    x = 318,052.41

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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.