Home / 411,058.12-616,577.82-189,442.12

Finding the Fourth Proportional to 411,058.12, 616,577.82 and 189,442.12

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Solution

The fourth proportional to 411,058.12, 616,577.82 and 189,442.12 is: 284,158.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,058.12 : 616,577.82 = 189,442.12 : x
  2. Step 2: Convert to fraction form
    411,058.12/616,577.82 = 189,442.12/x
  3. Step 3: Cross multiply
    411,058.12x = 616,577.82 × 189,442.12
  4. Step 4: Simplify right side
    411,058.12x = 116,805,809,365.78
  5. Step 5: Solve for x
    x = 116,805,809,365.78/411,058.12
  6. Step 6: Final answer
    x = 284,158.87

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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.