Home / 782,891.60-1,080,910.85-601,279.07

Finding the Fourth Proportional to 782,891.60, 1,080,910.85 and 601,279.07

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Solution

The fourth proportional to 782,891.60, 1,080,910.85 and 601,279.07 is: 830,164.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,891.60 : 1,080,910.85 = 601,279.07 : x
  2. Step 2: Convert to fraction form
    782,891.60/1,080,910.85 = 601,279.07/x
  3. Step 3: Cross multiply
    782,891.60x = 1,080,910.85 × 601,279.07
  4. Step 4: Simplify right side
    782,891.60x = 649,929,062,229.96
  5. Step 5: Solve for x
    x = 649,929,062,229.96/782,891.60
  6. Step 6: Final answer
    x = 830,164.82

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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.