Home / 394,072.04-543,822.84-224,317.04

Finding the Fourth Proportional to 394,072.04, 543,822.84 and 224,317.04

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Solution

The fourth proportional to 394,072.04, 543,822.84 and 224,317.04 is: 309,559.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,072.04 : 543,822.84 = 224,317.04 : x
  2. Step 2: Convert to fraction form
    394,072.04/543,822.84 = 224,317.04/x
  3. Step 3: Cross multiply
    394,072.04x = 543,822.84 × 224,317.04
  4. Step 4: Simplify right side
    394,072.04x = 121,988,729,753.19
  5. Step 5: Solve for x
    x = 121,988,729,753.19/394,072.04
  6. Step 6: Final answer
    x = 309,559.46

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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.