Home / 394,799.15-544,826.10-225,044.21

Finding the Fourth Proportional to 394,799.15, 544,826.10 and 225,044.21

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Solution

The fourth proportional to 394,799.15, 544,826.10 and 225,044.21 is: 310,562.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,799.15 : 544,826.10 = 225,044.21 : x
  2. Step 2: Convert to fraction form
    394,799.15/544,826.10 = 225,044.21/x
  3. Step 3: Cross multiply
    394,799.15x = 544,826.10 × 225,044.21
  4. Step 4: Simplify right side
    394,799.15x = 122,609,956,537.75
  5. Step 5: Solve for x
    x = 122,609,956,537.75/394,799.15
  6. Step 6: Final answer
    x = 310,562.87

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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.