Home / 394,406.31-544,269.17-222,334.37

Finding the Fourth Proportional to 394,406.31, 544,269.17 and 222,334.37

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Solution

The fourth proportional to 394,406.31, 544,269.17 and 222,334.37 is: 306,814.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,406.31 : 544,269.17 = 222,334.37 : x
  2. Step 2: Convert to fraction form
    394,406.31/544,269.17 = 222,334.37/x
  3. Step 3: Cross multiply
    394,406.31x = 544,269.17 × 222,334.37
  4. Step 4: Simplify right side
    394,406.31x = 121,009,741,105.86
  5. Step 5: Solve for x
    x = 121,009,741,105.86/394,406.31
  6. Step 6: Final answer
    x = 306,814.92

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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.