Home / 1,168,467.57-1,612,754.28-685,188.42

Finding the Fourth Proportional to 1,168,467.57, 1,612,754.28 and 685,188.42

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Solution

The fourth proportional to 1,168,467.57, 1,612,754.28 and 685,188.42 is: 945,717.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,467.57 : 1,612,754.28 = 685,188.42 : x
  2. Step 2: Convert to fraction form
    1,168,467.57/1,612,754.28 = 685,188.42/x
  3. Step 3: Cross multiply
    1,168,467.57x = 1,612,754.28 × 685,188.42
  4. Step 4: Simplify right side
    1,168,467.57x = 1,105,040,556,961.44
  5. Step 5: Solve for x
    x = 1,105,040,556,961.44/1,168,467.57
  6. Step 6: Final answer
    x = 945,717.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.