Home / 418,344.30-627,450.39-181,623.42

Finding the Fourth Proportional to 418,344.30, 627,450.39 and 181,623.42

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Solution

The fourth proportional to 418,344.30, 627,450.39 and 181,623.42 is: 272,406.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,344.30 : 627,450.39 = 181,623.42 : x
  2. Step 2: Convert to fraction form
    418,344.30/627,450.39 = 181,623.42/x
  3. Step 3: Cross multiply
    418,344.30x = 627,450.39 × 181,623.42
  4. Step 4: Simplify right side
    418,344.30x = 113,959,685,712.13
  5. Step 5: Solve for x
    x = 113,959,685,712.13/418,344.30
  6. Step 6: Final answer
    x = 272,406.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.