Home / 1,670,879.70-2,305,418.67-945,727.32

Finding the Fourth Proportional to 1,670,879.70, 2,305,418.67 and 945,727.32

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Solution

The fourth proportional to 1,670,879.70, 2,305,418.67 and 945,727.32 is: 1,304,879.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,879.70 : 2,305,418.67 = 945,727.32 : x
  2. Step 2: Convert to fraction form
    1,670,879.70/2,305,418.67 = 945,727.32/x
  3. Step 3: Cross multiply
    1,670,879.70x = 2,305,418.67 × 945,727.32
  4. Step 4: Simplify right side
    1,670,879.70x = 2,180,297,420,257.06
  5. Step 5: Solve for x
    x = 2,180,297,420,257.06/1,670,879.70
  6. Step 6: Final answer
    x = 1,304,879.95

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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.