Home / 394,260.24-544,078.80-212,972.11

Finding the Fourth Proportional to 394,260.24, 544,078.80 and 212,972.11

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Solution

The fourth proportional to 394,260.24, 544,078.80 and 212,972.11 is: 293,901.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,260.24 : 544,078.80 = 212,972.11 : x
  2. Step 2: Convert to fraction form
    394,260.24/544,078.80 = 212,972.11/x
  3. Step 3: Cross multiply
    394,260.24x = 544,078.80 × 212,972.11
  4. Step 4: Simplify right side
    394,260.24x = 115,873,610,042.27
  5. Step 5: Solve for x
    x = 115,873,610,042.27/394,260.24
  6. Step 6: Final answer
    x = 293,901.33

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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.