Home / 496,629.20-744,943.80-122,652.20

Finding the Fourth Proportional to 496,629.20, 744,943.80 and 122,652.20

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Solution

The fourth proportional to 496,629.20, 744,943.80 and 122,652.20 is: 183,978.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,629.20 : 744,943.80 = 122,652.20 : x
  2. Step 2: Convert to fraction form
    496,629.20/744,943.80 = 122,652.20/x
  3. Step 3: Cross multiply
    496,629.20x = 744,943.80 × 122,652.20
  4. Step 4: Simplify right side
    496,629.20x = 91,368,995,946.36
  5. Step 5: Solve for x
    x = 91,368,995,946.36/496,629.20
  6. Step 6: Final answer
    x = 183,978.30

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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.