Home / 394,905.44-544,402.68-281,531.36

Finding the Fourth Proportional to 394,905.44, 544,402.68 and 281,531.36

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Solution

The fourth proportional to 394,905.44, 544,402.68 and 281,531.36 is: 388,109.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,905.44 : 544,402.68 = 281,531.36 : x
  2. Step 2: Convert to fraction form
    394,905.44/544,402.68 = 281,531.36/x
  3. Step 3: Cross multiply
    394,905.44x = 544,402.68 × 281,531.36
  4. Step 4: Simplify right side
    394,905.44x = 153,266,426,888.05
  5. Step 5: Solve for x
    x = 153,266,426,888.05/394,905.44
  6. Step 6: Final answer
    x = 388,109.18

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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.