Home / 769,656.97-1,062,034.64-425,446.56

Finding the Fourth Proportional to 769,656.97, 1,062,034.64 and 425,446.56

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Solution

The fourth proportional to 769,656.97, 1,062,034.64 and 425,446.56 is: 587,065.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,656.97 : 1,062,034.64 = 425,446.56 : x
  2. Step 2: Convert to fraction form
    769,656.97/1,062,034.64 = 425,446.56/x
  3. Step 3: Cross multiply
    769,656.97x = 1,062,034.64 × 425,446.56
  4. Step 4: Simplify right side
    769,656.97x = 451,838,983,657.03
  5. Step 5: Solve for x
    x = 451,838,983,657.03/769,656.97
  6. Step 6: Final answer
    x = 587,065.41

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1.5x scale

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.