Home / 394,333.28-544,232.86-222,284.74

Finding the Fourth Proportional to 394,333.28, 544,232.86 and 222,284.74

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Solution

The fourth proportional to 394,333.28, 544,232.86 and 222,284.74 is: 306,782.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,333.28 : 544,232.86 = 222,284.74 : x
  2. Step 2: Convert to fraction form
    394,333.28/544,232.86 = 222,284.74/x
  3. Step 3: Cross multiply
    394,333.28x = 544,232.86 × 222,284.74
  4. Step 4: Simplify right side
    394,333.28x = 120,974,659,784.56
  5. Step 5: Solve for x
    x = 120,974,659,784.56/394,333.28
  6. Step 6: Final answer
    x = 306,782.78

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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.