Home / 658,441.86-987,721.11-185,131.32

Finding the Fourth Proportional to 658,441.86, 987,721.11 and 185,131.32

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Solution

The fourth proportional to 658,441.86, 987,721.11 and 185,131.32 is: 277,713.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,441.86 : 987,721.11 = 185,131.32 : x
  2. Step 2: Convert to fraction form
    658,441.86/987,721.11 = 185,131.32/x
  3. Step 3: Cross multiply
    658,441.86x = 987,721.11 × 185,131.32
  4. Step 4: Simplify right side
    658,441.86x = 182,858,112,886.17
  5. Step 5: Solve for x
    x = 182,858,112,886.17/658,441.86
  6. Step 6: Final answer
    x = 277,713.38

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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.