Home / 394,061.13-543,804.96-224,295.25

Finding the Fourth Proportional to 394,061.13, 543,804.96 and 224,295.25

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Solution

The fourth proportional to 394,061.13, 543,804.96 and 224,295.25 is: 309,527.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,061.13 : 543,804.96 = 224,295.25 : x
  2. Step 2: Convert to fraction form
    394,061.13/543,804.96 = 224,295.25/x
  3. Step 3: Cross multiply
    394,061.13x = 543,804.96 × 224,295.25
  4. Step 4: Simplify right side
    394,061.13x = 121,972,869,454.44
  5. Step 5: Solve for x
    x = 121,972,869,454.44/394,061.13
  6. Step 6: Final answer
    x = 309,527.79

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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.