Home / 394,819.18-544,850.47-213,531.11

Finding the Fourth Proportional to 394,819.18, 544,850.47 and 213,531.11

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Solution

The fourth proportional to 394,819.18, 544,850.47 and 213,531.11 is: 294,672.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,819.18 : 544,850.47 = 213,531.11 : x
  2. Step 2: Convert to fraction form
    394,819.18/544,850.47 = 213,531.11/x
  3. Step 3: Cross multiply
    394,819.18x = 544,850.47 × 213,531.11
  4. Step 4: Simplify right side
    394,819.18x = 116,342,524,027.86
  5. Step 5: Solve for x
    x = 116,342,524,027.86/394,819.18
  6. Step 6: Final answer
    x = 294,672.93

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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.