Home / 362,813.12-543,587.20-220,357.41

Finding the Fourth Proportional to 362,813.12, 543,587.20 and 220,357.41

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Solution

The fourth proportional to 362,813.12, 543,587.20 and 220,357.41 is: 330,151.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,813.12 : 543,587.20 = 220,357.41 : x
  2. Step 2: Convert to fraction form
    362,813.12/543,587.20 = 220,357.41/x
  3. Step 3: Cross multiply
    362,813.12x = 543,587.20 × 220,357.41
  4. Step 4: Simplify right side
    362,813.12x = 119,783,469,209.00
  5. Step 5: Solve for x
    x = 119,783,469,209.00/362,813.12
  6. Step 6: Final answer
    x = 330,151.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.