Home / 1,994,175.19-2,992,016.66-780,619.11

Finding the Fourth Proportional to 1,994,175.19, 2,992,016.66 and 780,619.11

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Solution

The fourth proportional to 1,994,175.19, 2,992,016.66 and 780,619.11 is: 1,171,223.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994,175.19 : 2,992,016.66 = 780,619.11 : x
  2. Step 2: Convert to fraction form
    1,994,175.19/2,992,016.66 = 780,619.11/x
  3. Step 3: Cross multiply
    1,994,175.19x = 2,992,016.66 × 780,619.11
  4. Step 4: Simplify right side
    1,994,175.19x = 2,335,625,382,234.37
  5. Step 5: Solve for x
    x = 2,335,625,382,234.37/1,994,175.19
  6. Step 6: Final answer
    x = 1,171,223.77

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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.