Home / 397,399.44-548,218.32-236,140.29

Finding the Fourth Proportional to 397,399.44, 548,218.32 and 236,140.29

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Solution

The fourth proportional to 397,399.44, 548,218.32 and 236,140.29 is: 325,758.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,399.44 : 548,218.32 = 236,140.29 : x
  2. Step 2: Convert to fraction form
    397,399.44/548,218.32 = 236,140.29/x
  3. Step 3: Cross multiply
    397,399.44x = 548,218.32 × 236,140.29
  4. Step 4: Simplify right side
    397,399.44x = 129,456,433,068.11
  5. Step 5: Solve for x
    x = 129,456,433,068.11/397,399.44
  6. Step 6: Final answer
    x = 325,758.97

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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.