Home / 397,025.94-547,886.16-222,584.58

Finding the Fourth Proportional to 397,025.94, 547,886.16 and 222,584.58

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Solution

The fourth proportional to 397,025.94, 547,886.16 and 222,584.58 is: 307,161.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,025.94 : 547,886.16 = 222,584.58 : x
  2. Step 2: Convert to fraction form
    397,025.94/547,886.16 = 222,584.58/x
  3. Step 3: Cross multiply
    397,025.94x = 547,886.16 × 222,584.58
  4. Step 4: Simplify right side
    397,025.94x = 121,951,010,811.41
  5. Step 5: Solve for x
    x = 121,951,010,811.41/397,025.94
  6. Step 6: Final answer
    x = 307,161.32

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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.