Home / 1,067,139.97-1,600,712.69-436,053.78

Finding the Fourth Proportional to 1,067,139.97, 1,600,712.69 and 436,053.78

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Solution

The fourth proportional to 1,067,139.97, 1,600,712.69 and 436,053.78 is: 654,081.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,139.97 : 1,600,712.69 = 436,053.78 : x
  2. Step 2: Convert to fraction form
    1,067,139.97/1,600,712.69 = 436,053.78/x
  3. Step 3: Cross multiply
    1,067,139.97x = 1,600,712.69 × 436,053.78
  4. Step 4: Simplify right side
    1,067,139.97x = 697,996,816,988.20
  5. Step 5: Solve for x
    x = 697,996,816,988.20/1,067,139.97
  6. Step 6: Final answer
    x = 654,081.79

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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.