Home / 449,147.64-619,927.98-296,213.46

Finding the Fourth Proportional to 449,147.64, 619,927.98 and 296,213.46

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Solution

The fourth proportional to 449,147.64, 619,927.98 and 296,213.46 is: 408,843.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,147.64 : 619,927.98 = 296,213.46 : x
  2. Step 2: Convert to fraction form
    449,147.64/619,927.98 = 296,213.46/x
  3. Step 3: Cross multiply
    449,147.64x = 619,927.98 × 296,213.46
  4. Step 4: Simplify right side
    449,147.64x = 183,631,011,906.61
  5. Step 5: Solve for x
    x = 183,631,011,906.61/449,147.64
  6. Step 6: Final answer
    x = 408,843.32

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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.