Home / 406,111.91-609,517.79-281,540.39

Finding the Fourth Proportional to 406,111.91, 609,517.79 and 281,540.39

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Solution

The fourth proportional to 406,111.91, 609,517.79 and 281,540.39 is: 422,553.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,111.91 : 609,517.79 = 281,540.39 : x
  2. Step 2: Convert to fraction form
    406,111.91/609,517.79 = 281,540.39/x
  3. Step 3: Cross multiply
    406,111.91x = 609,517.79 × 281,540.39
  4. Step 4: Simplify right side
    406,111.91x = 171,603,874,138.94
  5. Step 5: Solve for x
    x = 171,603,874,138.94/406,111.91
  6. Step 6: Final answer
    x = 422,553.17

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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.