Home / 394,585.10-544,580.76-222,538.44

Finding the Fourth Proportional to 394,585.10, 544,580.76 and 222,538.44

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Solution

The fourth proportional to 394,585.10, 544,580.76 and 222,538.44 is: 307,133.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,585.10 : 544,580.76 = 222,538.44 : x
  2. Step 2: Convert to fraction form
    394,585.10/544,580.76 = 222,538.44/x
  3. Step 3: Cross multiply
    394,585.10x = 544,580.76 × 222,538.44
  4. Step 4: Simplify right side
    394,585.10x = 121,190,152,784.41
  5. Step 5: Solve for x
    x = 121,190,152,784.41/394,585.10
  6. Step 6: Final answer
    x = 307,133.12

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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.