Home / 1,191,694.87-1,644,519.57-647,844.37

Finding the Fourth Proportional to 1,191,694.87, 1,644,519.57 and 647,844.37

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Solution

The fourth proportional to 1,191,694.87, 1,644,519.57 and 647,844.37 is: 894,014.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,694.87 : 1,644,519.57 = 647,844.37 : x
  2. Step 2: Convert to fraction form
    1,191,694.87/1,644,519.57 = 647,844.37/x
  3. Step 3: Cross multiply
    1,191,694.87x = 1,644,519.57 × 647,844.37
  4. Step 4: Simplify right side
    1,191,694.87x = 1,065,392,744,779.32
  5. Step 5: Solve for x
    x = 1,065,392,744,779.32/1,191,694.87
  6. Step 6: Final answer
    x = 894,014.71

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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.