Home / 394,535.04-544,447.40-222,451.50

Finding the Fourth Proportional to 394,535.04, 544,447.40 and 222,451.50

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Solution

The fourth proportional to 394,535.04, 544,447.40 and 222,451.50 is: 306,976.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,535.04 : 544,447.40 = 222,451.50 : x
  2. Step 2: Convert to fraction form
    394,535.04/544,447.40 = 222,451.50/x
  3. Step 3: Cross multiply
    394,535.04x = 544,447.40 × 222,451.50
  4. Step 4: Simplify right side
    394,535.04x = 121,113,140,801.10
  5. Step 5: Solve for x
    x = 121,113,140,801.10/394,535.04
  6. Step 6: Final answer
    x = 306,976.89

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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.