Home / 741,070.78-1,022,561.46-431,042.02

Finding the Fourth Proportional to 741,070.78, 1,022,561.46 and 431,042.02

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Solution

The fourth proportional to 741,070.78, 1,022,561.46 and 431,042.02 is: 594,770.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,070.78 : 1,022,561.46 = 431,042.02 : x
  2. Step 2: Convert to fraction form
    741,070.78/1,022,561.46 = 431,042.02/x
  3. Step 3: Cross multiply
    741,070.78x = 1,022,561.46 × 431,042.02
  4. Step 4: Simplify right side
    741,070.78x = 440,766,957,292.55
  5. Step 5: Solve for x
    x = 440,766,957,292.55/741,070.78
  6. Step 6: Final answer
    x = 594,770.39

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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.