Home / 684,716.20-1,027,074.30-633,540.40

Finding the Fourth Proportional to 684,716.20, 1,027,074.30 and 633,540.40

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Solution

The fourth proportional to 684,716.20, 1,027,074.30 and 633,540.40 is: 950,310.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,716.20 : 1,027,074.30 = 633,540.40 : x
  2. Step 2: Convert to fraction form
    684,716.20/1,027,074.30 = 633,540.40/x
  3. Step 3: Cross multiply
    684,716.20x = 1,027,074.30 × 633,540.40
  4. Step 4: Simplify right side
    684,716.20x = 650,693,062,851.72
  5. Step 5: Solve for x
    x = 650,693,062,851.72/684,716.20
  6. Step 6: Final answer
    x = 950,310.60

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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.