Home / 1,101,097.20-1,519,574.40-617,815.56

Finding the Fourth Proportional to 1,101,097.20, 1,519,574.40 and 617,815.56

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Solution

The fourth proportional to 1,101,097.20, 1,519,574.40 and 617,815.56 is: 852,619.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,097.20 : 1,519,574.40 = 617,815.56 : x
  2. Step 2: Convert to fraction form
    1,101,097.20/1,519,574.40 = 617,815.56/x
  3. Step 3: Cross multiply
    1,101,097.20x = 1,519,574.40 × 617,815.56
  4. Step 4: Simplify right side
    1,101,097.20x = 938,816,708,897.66
  5. Step 5: Solve for x
    x = 938,816,708,897.66/1,101,097.20
  6. Step 6: Final answer
    x = 852,619.29

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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.