Home / 1,190,825.27-1,786,514.69-392,113.77

Finding the Fourth Proportional to 1,190,825.27, 1,786,514.69 and 392,113.77

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Solution

The fourth proportional to 1,190,825.27, 1,786,514.69 and 392,113.77 is: 588,261.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,825.27 : 1,786,514.69 = 392,113.77 : x
  2. Step 2: Convert to fraction form
    1,190,825.27/1,786,514.69 = 392,113.77/x
  3. Step 3: Cross multiply
    1,190,825.27x = 1,786,514.69 × 392,113.77
  4. Step 4: Simplify right side
    1,190,825.27x = 700,517,010,256.28
  5. Step 5: Solve for x
    x = 700,517,010,256.28/1,190,825.27
  6. Step 6: Final answer
    x = 588,261.79

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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.