Home / 775,680.44-1,163,232.70-270,111.65

Finding the Fourth Proportional to 775,680.44, 1,163,232.70 and 270,111.65

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Solution

The fourth proportional to 775,680.44, 1,163,232.70 and 270,111.65 is: 405,067.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,680.44 : 1,163,232.70 = 270,111.65 : x
  2. Step 2: Convert to fraction form
    775,680.44/1,163,232.70 = 270,111.65/x
  3. Step 3: Cross multiply
    775,680.44x = 1,163,232.70 × 270,111.65
  4. Step 4: Simplify right side
    775,680.44x = 314,202,697,439.51
  5. Step 5: Solve for x
    x = 314,202,697,439.51/775,680.44
  6. Step 6: Final answer
    x = 405,067.19

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Double scale
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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.