Home / 397,557.73-548,619.78-227,780.92

Finding the Fourth Proportional to 397,557.73, 548,619.78 and 227,780.92

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Solution

The fourth proportional to 397,557.73, 548,619.78 and 227,780.92 is: 314,332.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,557.73 : 548,619.78 = 227,780.92 : x
  2. Step 2: Convert to fraction form
    397,557.73/548,619.78 = 227,780.92/x
  3. Step 3: Cross multiply
    397,557.73x = 548,619.78 × 227,780.92
  4. Step 4: Simplify right side
    397,557.73x = 124,965,118,218.60
  5. Step 5: Solve for x
    x = 124,965,118,218.60/397,557.73
  6. Step 6: Final answer
    x = 314,332.00

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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.