Home / 449,067.97-619,621.29-258,044.45

Finding the Fourth Proportional to 449,067.97, 619,621.29 and 258,044.45

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Solution

The fourth proportional to 449,067.97, 619,621.29 and 258,044.45 is: 356,048.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,067.97 : 619,621.29 = 258,044.45 : x
  2. Step 2: Convert to fraction form
    449,067.97/619,621.29 = 258,044.45/x
  3. Step 3: Cross multiply
    449,067.97x = 619,621.29 × 258,044.45
  4. Step 4: Simplify right side
    449,067.97x = 159,889,836,971.43
  5. Step 5: Solve for x
    x = 159,889,836,971.43/449,067.97
  6. Step 6: Final answer
    x = 356,048.19

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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.