Home / 449,132.67-619,907.28-296,198.46

Finding the Fourth Proportional to 449,132.67, 619,907.28 and 296,198.46

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Solution

The fourth proportional to 449,132.67, 619,907.28 and 296,198.46 is: 408,822.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,132.67 : 619,907.28 = 296,198.46 : x
  2. Step 2: Convert to fraction form
    449,132.67/619,907.28 = 296,198.46/x
  3. Step 3: Cross multiply
    449,132.67x = 619,907.28 × 296,198.46
  4. Step 4: Simplify right side
    449,132.67x = 183,615,581,678.79
  5. Step 5: Solve for x
    x = 183,615,581,678.79/449,132.67
  6. Step 6: Final answer
    x = 408,822.59

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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.