Home / 324,458.20-447,765.06-188,490.52

Finding the Fourth Proportional to 324,458.20, 447,765.06 and 188,490.52

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Solution

The fourth proportional to 324,458.20, 447,765.06 and 188,490.52 is: 260,124.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,458.20 : 447,765.06 = 188,490.52 : x
  2. Step 2: Convert to fraction form
    324,458.20/447,765.06 = 188,490.52/x
  3. Step 3: Cross multiply
    324,458.20x = 447,765.06 × 188,490.52
  4. Step 4: Simplify right side
    324,458.20x = 84,399,468,997.23
  5. Step 5: Solve for x
    x = 84,399,468,997.23/324,458.20
  6. Step 6: Final answer
    x = 260,124.32

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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.