Home / 1,190,992.86-1,786,100.49-392,086.62

Finding the Fourth Proportional to 1,190,992.86, 1,786,100.49 and 392,086.62

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Solution

The fourth proportional to 1,190,992.86, 1,786,100.49 and 392,086.62 is: 588,001.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,992.86 : 1,786,100.49 = 392,086.62 : x
  2. Step 2: Convert to fraction form
    1,190,992.86/1,786,100.49 = 392,086.62/x
  3. Step 3: Cross multiply
    1,190,992.86x = 1,786,100.49 × 392,086.62
  4. Step 4: Simplify right side
    1,190,992.86x = 700,306,104,104.44
  5. Step 5: Solve for x
    x = 700,306,104,104.44/1,190,992.86
  6. Step 6: Final answer
    x = 588,001.93

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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.