Home / 750,680.46-1,127,144.26-649,791.42

Finding the Fourth Proportional to 750,680.46, 1,127,144.26 and 649,791.42

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Solution

The fourth proportional to 750,680.46, 1,127,144.26 and 649,791.42 is: 975,659.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,680.46 : 1,127,144.26 = 649,791.42 : x
  2. Step 2: Convert to fraction form
    750,680.46/1,127,144.26 = 649,791.42/x
  3. Step 3: Cross multiply
    750,680.46x = 1,127,144.26 × 649,791.42
  4. Step 4: Simplify right side
    750,680.46x = 732,408,665,835.70
  5. Step 5: Solve for x
    x = 732,408,665,835.70/750,680.46
  6. Step 6: Final answer
    x = 975,659.69

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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.