Home / 394,536.72-544,428.24-222,445.36

Finding the Fourth Proportional to 394,536.72, 544,428.24 and 222,445.36

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Solution

The fourth proportional to 394,536.72, 544,428.24 and 222,445.36 is: 306,956.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,536.72 : 544,428.24 = 222,445.36 : x
  2. Step 2: Convert to fraction form
    394,536.72/544,428.24 = 222,445.36/x
  3. Step 3: Cross multiply
    394,536.72x = 544,428.24 × 222,445.36
  4. Step 4: Simplify right side
    394,536.72x = 121,105,535,840.97
  5. Step 5: Solve for x
    x = 121,105,535,840.97/394,536.72
  6. Step 6: Final answer
    x = 306,956.31

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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.