Home / 767,144.33-1,059,112.75-682,025.78

Finding the Fourth Proportional to 767,144.33, 1,059,112.75 and 682,025.78

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Solution

The fourth proportional to 767,144.33, 1,059,112.75 and 682,025.78 is: 941,598.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,144.33 : 1,059,112.75 = 682,025.78 : x
  2. Step 2: Convert to fraction form
    767,144.33/1,059,112.75 = 682,025.78/x
  3. Step 3: Cross multiply
    767,144.33x = 1,059,112.75 × 682,025.78
  4. Step 4: Simplify right side
    767,144.33x = 722,342,199,426.70
  5. Step 5: Solve for x
    x = 722,342,199,426.70/767,144.33
  6. Step 6: Final answer
    x = 941,598.82

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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.