Home / 394,838.16-544,876.75-222,792.64

Finding the Fourth Proportional to 394,838.16, 544,876.75 and 222,792.64

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Solution

The fourth proportional to 394,838.16, 544,876.75 and 222,792.64 is: 307,453.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,838.16 : 544,876.75 = 222,792.64 : x
  2. Step 2: Convert to fraction form
    394,838.16/544,876.75 = 222,792.64/x
  3. Step 3: Cross multiply
    394,838.16x = 544,876.75 × 222,792.64
  4. Step 4: Simplify right side
    394,838.16x = 121,394,530,961.75
  5. Step 5: Solve for x
    x = 121,394,530,961.75/394,838.16
  6. Step 6: Final answer
    x = 307,453.90

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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.