Home / 764,825.94-1,055,460.66-425,286.90

Finding the Fourth Proportional to 764,825.94, 1,055,460.66 and 425,286.90

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Solution

The fourth proportional to 764,825.94, 1,055,460.66 and 425,286.90 is: 586,896.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,825.94 : 1,055,460.66 = 425,286.90 : x
  2. Step 2: Convert to fraction form
    764,825.94/1,055,460.66 = 425,286.90/x
  3. Step 3: Cross multiply
    764,825.94x = 1,055,460.66 × 425,286.90
  4. Step 4: Simplify right side
    764,825.94x = 448,873,592,163.35
  5. Step 5: Solve for x
    x = 448,873,592,163.35/764,825.94
  6. Step 6: Final answer
    x = 586,896.40

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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.