Home / 709,092.75-1,063,042.52-329,820.78

Finding the Fourth Proportional to 709,092.75, 1,063,042.52 and 329,820.78

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Solution

The fourth proportional to 709,092.75, 1,063,042.52 and 329,820.78 is: 494,453.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,092.75 : 1,063,042.52 = 329,820.78 : x
  2. Step 2: Convert to fraction form
    709,092.75/1,063,042.52 = 329,820.78/x
  3. Step 3: Cross multiply
    709,092.75x = 1,063,042.52 × 329,820.78
  4. Step 4: Simplify right side
    709,092.75x = 350,613,511,470.46
  5. Step 5: Solve for x
    x = 350,613,511,470.46/709,092.75
  6. Step 6: Final answer
    x = 494,453.67

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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.