Home / 449,131.16-619,905.20-296,196.95

Finding the Fourth Proportional to 449,131.16, 619,905.20 and 296,196.95

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Solution

The fourth proportional to 449,131.16, 619,905.20 and 296,196.95 is: 408,820.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,131.16 : 619,905.20 = 296,196.95 : x
  2. Step 2: Convert to fraction form
    449,131.16/619,905.20 = 296,196.95/x
  3. Step 3: Cross multiply
    449,131.16x = 619,905.20 × 296,196.95
  4. Step 4: Simplify right side
    449,131.16x = 183,614,029,529.14
  5. Step 5: Solve for x
    x = 183,614,029,529.14/449,131.16
  6. Step 6: Final answer
    x = 408,820.51

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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.