Home / 1,131,013.04-1,560,799.68-621,718.52

Finding the Fourth Proportional to 1,131,013.04, 1,560,799.68 and 621,718.52

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Solution

The fourth proportional to 1,131,013.04, 1,560,799.68 and 621,718.52 is: 857,972.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,013.04 : 1,560,799.68 = 621,718.52 : x
  2. Step 2: Convert to fraction form
    1,131,013.04/1,560,799.68 = 621,718.52/x
  3. Step 3: Cross multiply
    1,131,013.04x = 1,560,799.68 × 621,718.52
  4. Step 4: Simplify right side
    1,131,013.04x = 970,378,067,066.07
  5. Step 5: Solve for x
    x = 970,378,067,066.07/1,131,013.04
  6. Step 6: Final answer
    x = 857,972.48

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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.