Home / 394,545.31-544,341.90-222,441.73

Finding the Fourth Proportional to 394,545.31, 544,341.90 and 222,441.73

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Solution

The fourth proportional to 394,545.31, 544,341.90 and 222,441.73 is: 306,895.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,545.31 : 544,341.90 = 222,441.73 : x
  2. Step 2: Convert to fraction form
    394,545.31/544,341.90 = 222,441.73/x
  3. Step 3: Cross multiply
    394,545.31x = 544,341.90 × 222,441.73
  4. Step 4: Simplify right side
    394,545.31x = 121,084,353,947.49
  5. Step 5: Solve for x
    x = 121,084,353,947.49/394,545.31
  6. Step 6: Final answer
    x = 306,895.94

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1.5x scale

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.