Home / 394,890.24-544,961.04-216,042.24

Finding the Fourth Proportional to 394,890.24, 544,961.04 and 216,042.24

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Solution

The fourth proportional to 394,890.24, 544,961.04 and 216,042.24 is: 298,145.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,890.24 : 544,961.04 = 216,042.24 : x
  2. Step 2: Convert to fraction form
    394,890.24/544,961.04 = 216,042.24/x
  3. Step 3: Cross multiply
    394,890.24x = 544,961.04 × 216,042.24
  4. Step 4: Simplify right side
    394,890.24x = 117,734,603,794.33
  5. Step 5: Solve for x
    x = 117,734,603,794.33/394,890.24
  6. Step 6: Final answer
    x = 298,145.13

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1.5x scale

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.