Home / 449,067.78-619,621.03-258,044.27

Finding the Fourth Proportional to 449,067.78, 619,621.03 and 258,044.27

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Solution

The fourth proportional to 449,067.78, 619,621.03 and 258,044.27 is: 356,047.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,067.78 : 619,621.03 = 258,044.27 : x
  2. Step 2: Convert to fraction form
    449,067.78/619,621.03 = 258,044.27/x
  3. Step 3: Cross multiply
    449,067.78x = 619,621.03 × 258,044.27
  4. Step 4: Simplify right side
    449,067.78x = 159,889,653,893.39
  5. Step 5: Solve for x
    x = 159,889,653,893.39/449,067.78
  6. Step 6: Final answer
    x = 356,047.93

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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.