Home / 627,856.20-941,784.30-207,109.80

Finding the Fourth Proportional to 627,856.20, 941,784.30 and 207,109.80

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Solution

The fourth proportional to 627,856.20, 941,784.30 and 207,109.80 is: 310,664.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,856.20 : 941,784.30 = 207,109.80 : x
  2. Step 2: Convert to fraction form
    627,856.20/941,784.30 = 207,109.80/x
  3. Step 3: Cross multiply
    627,856.20x = 941,784.30 × 207,109.80
  4. Step 4: Simplify right side
    627,856.20x = 195,052,758,016.14
  5. Step 5: Solve for x
    x = 195,052,758,016.14/627,856.20
  6. Step 6: Final answer
    x = 310,664.70

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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.