Home / 764,994.56-1,055,729.88-425,455.52

Finding the Fourth Proportional to 764,994.56, 1,055,729.88 and 425,455.52

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Solution

The fourth proportional to 764,994.56, 1,055,729.88 and 425,455.52 is: 587,149.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,994.56 : 1,055,729.88 = 425,455.52 : x
  2. Step 2: Convert to fraction form
    764,994.56/1,055,729.88 = 425,455.52/x
  3. Step 3: Cross multiply
    764,994.56x = 1,055,729.88 × 425,455.52
  4. Step 4: Simplify right side
    764,994.56x = 449,166,105,074.94
  5. Step 5: Solve for x
    x = 449,166,105,074.94/764,994.56
  6. Step 6: Final answer
    x = 587,149.41

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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.