Home / 449,132.66-619,907.27-296,198.45

Finding the Fourth Proportional to 449,132.66, 619,907.27 and 296,198.45

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Solution

The fourth proportional to 449,132.66, 619,907.27 and 296,198.45 is: 408,822.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,132.66 : 619,907.27 = 296,198.45 : x
  2. Step 2: Convert to fraction form
    449,132.66/619,907.27 = 296,198.45/x
  3. Step 3: Cross multiply
    449,132.66x = 619,907.27 × 296,198.45
  4. Step 4: Simplify right side
    449,132.66x = 183,615,572,517.73
  5. Step 5: Solve for x
    x = 183,615,572,517.73/449,132.66
  6. Step 6: Final answer
    x = 408,822.58

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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.