Home / 394,524.03-544,432.23-222,440.49

Finding the Fourth Proportional to 394,524.03, 544,432.23 and 222,440.49

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Solution

The fourth proportional to 394,524.03, 544,432.23 and 222,440.49 is: 306,961.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,524.03 : 544,432.23 = 222,440.49 : x
  2. Step 2: Convert to fraction form
    394,524.03/544,432.23 = 222,440.49/x
  3. Step 3: Cross multiply
    394,524.03x = 544,432.23 × 222,440.49
  4. Step 4: Simplify right side
    394,524.03x = 121,103,772,012.99
  5. Step 5: Solve for x
    x = 121,103,772,012.99/394,524.03
  6. Step 6: Final answer
    x = 306,961.71

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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.