Home / 397,558.44-548,498.16-225,455.04

Finding the Fourth Proportional to 397,558.44, 548,498.16 and 225,455.04

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Solution

The fourth proportional to 397,558.44, 548,498.16 and 225,455.04 is: 311,052.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,558.44 : 548,498.16 = 225,455.04 : x
  2. Step 2: Convert to fraction form
    397,558.44/548,498.16 = 225,455.04/x
  3. Step 3: Cross multiply
    397,558.44x = 548,498.16 × 225,455.04
  4. Step 4: Simplify right side
    397,558.44x = 123,661,674,602.73
  5. Step 5: Solve for x
    x = 123,661,674,602.73/397,558.44
  6. Step 6: Final answer
    x = 311,052.82

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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.