Home / 397,550.17-548,495.38-225,454.60

Finding the Fourth Proportional to 397,550.17, 548,495.38 and 225,454.60

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Solution

The fourth proportional to 397,550.17, 548,495.38 and 225,454.60 is: 311,057.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,550.17 : 548,495.38 = 225,454.60 : x
  2. Step 2: Convert to fraction form
    397,550.17/548,495.38 = 225,454.60/x
  3. Step 3: Cross multiply
    397,550.17x = 548,495.38 × 225,454.60
  4. Step 4: Simplify right side
    397,550.17x = 123,660,806,499.75
  5. Step 5: Solve for x
    x = 123,660,806,499.75/397,550.17
  6. Step 6: Final answer
    x = 311,057.11

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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.