Home / 677,825.28-1,016,559.72-322,131.60

Finding the Fourth Proportional to 677,825.28, 1,016,559.72 and 322,131.60

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Solution

The fourth proportional to 677,825.28, 1,016,559.72 and 322,131.60 is: 483,112.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,825.28 : 1,016,559.72 = 322,131.60 : x
  2. Step 2: Convert to fraction form
    677,825.28/1,016,559.72 = 322,131.60/x
  3. Step 3: Cross multiply
    677,825.28x = 1,016,559.72 × 322,131.60
  4. Step 4: Simplify right side
    677,825.28x = 327,466,009,099.15
  5. Step 5: Solve for x
    x = 327,466,009,099.15/677,825.28
  6. Step 6: Final answer
    x = 483,112.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.