Home / 774,003.20-1,159,449.60-522,060.80

Finding the Fourth Proportional to 774,003.20, 1,159,449.60 and 522,060.80

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Solution

The fourth proportional to 774,003.20, 1,159,449.60 and 522,060.80 is: 782,042.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,003.20 : 1,159,449.60 = 522,060.80 : x
  2. Step 2: Convert to fraction form
    774,003.20/1,159,449.60 = 522,060.80/x
  3. Step 3: Cross multiply
    774,003.20x = 1,159,449.60 × 522,060.80
  4. Step 4: Simplify right side
    774,003.20x = 605,303,185,735.68
  5. Step 5: Solve for x
    x = 605,303,185,735.68/774,003.20
  6. Step 6: Final answer
    x = 782,042.23

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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.