Home / 662,976.20-994,464.30-219,744.20

Finding the Fourth Proportional to 662,976.20, 994,464.30 and 219,744.20

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Solution

The fourth proportional to 662,976.20, 994,464.30 and 219,744.20 is: 329,616.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,976.20 : 994,464.30 = 219,744.20 : x
  2. Step 2: Convert to fraction form
    662,976.20/994,464.30 = 219,744.20/x
  3. Step 3: Cross multiply
    662,976.20x = 994,464.30 × 219,744.20
  4. Step 4: Simplify right side
    662,976.20x = 218,527,762,032.06
  5. Step 5: Solve for x
    x = 218,527,762,032.06/662,976.20
  6. Step 6: Final answer
    x = 329,616.30

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Half scale
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Double scale
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Similar ratio
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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.