Home / 693,630.52-1,040,446.28-188,191.46

Finding the Fourth Proportional to 693,630.52, 1,040,446.28 and 188,191.46

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Solution

The fourth proportional to 693,630.52, 1,040,446.28 and 188,191.46 is: 282,287.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,630.52 : 1,040,446.28 = 188,191.46 : x
  2. Step 2: Convert to fraction form
    693,630.52/1,040,446.28 = 188,191.46/x
  3. Step 3: Cross multiply
    693,630.52x = 1,040,446.28 × 188,191.46
  4. Step 4: Simplify right side
    693,630.52x = 195,803,107,556.36
  5. Step 5: Solve for x
    x = 195,803,107,556.36/693,630.52
  6. Step 6: Final answer
    x = 282,287.33

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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.