Home / 658,892.18-988,418.25-185,577.54

Finding the Fourth Proportional to 658,892.18, 988,418.25 and 185,577.54

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Solution

The fourth proportional to 658,892.18, 988,418.25 and 185,577.54 is: 278,388.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,892.18 : 988,418.25 = 185,577.54 : x
  2. Step 2: Convert to fraction form
    658,892.18/988,418.25 = 185,577.54/x
  3. Step 3: Cross multiply
    658,892.18x = 988,418.25 × 185,577.54
  4. Step 4: Simplify right side
    658,892.18x = 183,428,230,029.12
  5. Step 5: Solve for x
    x = 183,428,230,029.12/658,892.18
  6. Step 6: Final answer
    x = 278,388.84

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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.