Home / 394,439.28-544,295.88-233,281.68

Finding the Fourth Proportional to 394,439.28, 544,295.88 and 233,281.68

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Solution

The fourth proportional to 394,439.28, 544,295.88 and 233,281.68 is: 321,910.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,439.28 : 544,295.88 = 233,281.68 : x
  2. Step 2: Convert to fraction form
    394,439.28/544,295.88 = 233,281.68/x
  3. Step 3: Cross multiply
    394,439.28x = 544,295.88 × 233,281.68
  4. Step 4: Simplify right side
    394,439.28x = 126,974,257,303.48
  5. Step 5: Solve for x
    x = 126,974,257,303.48/394,439.28
  6. Step 6: Final answer
    x = 321,910.78

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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.