Home / 389,961.64-538,183.38-236,964.52

Finding the Fourth Proportional to 389,961.64, 538,183.38 and 236,964.52

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Solution

The fourth proportional to 389,961.64, 538,183.38 and 236,964.52 is: 327,033.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,961.64 : 538,183.38 = 236,964.52 : x
  2. Step 2: Convert to fraction form
    389,961.64/538,183.38 = 236,964.52/x
  3. Step 3: Cross multiply
    389,961.64x = 538,183.38 × 236,964.52
  4. Step 4: Simplify right side
    389,961.64x = 127,530,366,313.68
  5. Step 5: Solve for x
    x = 127,530,366,313.68/389,961.64
  6. Step 6: Final answer
    x = 327,033.11

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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.