Home / 264,629.40-396,944.10-262,786.20

Finding the Fourth Proportional to 264,629.40, 396,944.10 and 262,786.20

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Solution

The fourth proportional to 264,629.40, 396,944.10 and 262,786.20 is: 394,179.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,629.40 : 396,944.10 = 262,786.20 : x
  2. Step 2: Convert to fraction form
    264,629.40/396,944.10 = 262,786.20/x
  3. Step 3: Cross multiply
    264,629.40x = 396,944.10 × 262,786.20
  4. Step 4: Simplify right side
    264,629.40x = 104,311,431,651.42
  5. Step 5: Solve for x
    x = 104,311,431,651.42/264,629.40
  6. Step 6: Final answer
    x = 394,179.30

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1.5x scale

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.