Home / 823,860.80-1,235,791.20-403,956.80

Finding the Fourth Proportional to 823,860.80, 1,235,791.20 and 403,956.80

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Solution

The fourth proportional to 823,860.80, 1,235,791.20 and 403,956.80 is: 605,935.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,860.80 : 1,235,791.20 = 403,956.80 : x
  2. Step 2: Convert to fraction form
    823,860.80/1,235,791.20 = 403,956.80/x
  3. Step 3: Cross multiply
    823,860.80x = 1,235,791.20 × 403,956.80
  4. Step 4: Simplify right side
    823,860.80x = 499,206,258,620.16
  5. Step 5: Solve for x
    x = 499,206,258,620.16/823,860.80
  6. Step 6: Final answer
    x = 605,935.20

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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.