Home / 627,721.60-941,539.20-201,251.20

Finding the Fourth Proportional to 627,721.60, 941,539.20 and 201,251.20

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Solution

The fourth proportional to 627,721.60, 941,539.20 and 201,251.20 is: 301,862.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,721.60 : 941,539.20 = 201,251.20 : x
  2. Step 2: Convert to fraction form
    627,721.60/941,539.20 = 201,251.20/x
  3. Step 3: Cross multiply
    627,721.60x = 941,539.20 × 201,251.20
  4. Step 4: Simplify right side
    627,721.60x = 189,485,893,847.04
  5. Step 5: Solve for x
    x = 189,485,893,847.04/627,721.60
  6. Step 6: Final answer
    x = 301,862.95

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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.