Home / 397,410.37-548,330.31-252,163.19

Finding the Fourth Proportional to 397,410.37, 548,330.31 and 252,163.19

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Solution

The fourth proportional to 397,410.37, 548,330.31 and 252,163.19 is: 347,924.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,410.37 : 548,330.31 = 252,163.19 : x
  2. Step 2: Convert to fraction form
    397,410.37/548,330.31 = 252,163.19/x
  3. Step 3: Cross multiply
    397,410.37x = 548,330.31 × 252,163.19
  4. Step 4: Simplify right side
    397,410.37x = 138,268,721,514.12
  5. Step 5: Solve for x
    x = 138,268,721,514.12/397,410.37
  6. Step 6: Final answer
    x = 347,924.29

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1.5x scale

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.