Home / 764,997.56-1,055,734.02-425,458.52

Finding the Fourth Proportional to 764,997.56, 1,055,734.02 and 425,458.52

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Solution

The fourth proportional to 764,997.56, 1,055,734.02 and 425,458.52 is: 587,153.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,997.56 : 1,055,734.02 = 425,458.52 : x
  2. Step 2: Convert to fraction form
    764,997.56/1,055,734.02 = 425,458.52/x
  3. Step 3: Cross multiply
    764,997.56x = 1,055,734.02 × 425,458.52
  4. Step 4: Simplify right side
    764,997.56x = 449,171,033,662.85
  5. Step 5: Solve for x
    x = 449,171,033,662.85/764,997.56
  6. Step 6: Final answer
    x = 587,153.55

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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.