Home / 741,213.60-1,022,984.47-469,306.72

Finding the Fourth Proportional to 741,213.60, 1,022,984.47 and 469,306.72

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Solution

The fourth proportional to 741,213.60, 1,022,984.47 and 469,306.72 is: 647,712.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,213.60 : 1,022,984.47 = 469,306.72 : x
  2. Step 2: Convert to fraction form
    741,213.60/1,022,984.47 = 469,306.72/x
  3. Step 3: Cross multiply
    741,213.60x = 1,022,984.47 × 469,306.72
  4. Step 4: Simplify right side
    741,213.60x = 480,093,488,092.00
  5. Step 5: Solve for x
    x = 480,093,488,092.00/741,213.60
  6. Step 6: Final answer
    x = 647,712.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.