Home / 627,982.20-941,973.30-379,150.20

Finding the Fourth Proportional to 627,982.20, 941,973.30 and 379,150.20

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Solution

The fourth proportional to 627,982.20, 941,973.30 and 379,150.20 is: 568,725.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,982.20 : 941,973.30 = 379,150.20 : x
  2. Step 2: Convert to fraction form
    627,982.20/941,973.30 = 379,150.20/x
  3. Step 3: Cross multiply
    627,982.20x = 941,973.30 × 379,150.20
  4. Step 4: Simplify right side
    627,982.20x = 357,149,365,089.66
  5. Step 5: Solve for x
    x = 357,149,365,089.66/627,982.20
  6. Step 6: Final answer
    x = 568,725.30

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Half scale
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Double scale
Find fourth proportional to 627,983.20, 941,974.80 and 379,151.20
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.