Home / 627,643.10-941,464.65-206,864.30

Finding the Fourth Proportional to 627,643.10, 941,464.65 and 206,864.30

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Solution

The fourth proportional to 627,643.10, 941,464.65 and 206,864.30 is: 310,296.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,643.10 : 941,464.65 = 206,864.30 : x
  2. Step 2: Convert to fraction form
    627,643.10/941,464.65 = 206,864.30/x
  3. Step 3: Cross multiply
    627,643.10x = 941,464.65 × 206,864.30
  4. Step 4: Simplify right side
    627,643.10x = 194,755,425,797.00
  5. Step 5: Solve for x
    x = 194,755,425,797.00/627,643.10
  6. Step 6: Final answer
    x = 310,296.45

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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.