Home / 775,287.06-1,162,986.03-206,665.26

Finding the Fourth Proportional to 775,287.06, 1,162,986.03 and 206,665.26

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Solution

The fourth proportional to 775,287.06, 1,162,986.03 and 206,665.26 is: 310,012.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,287.06 : 1,162,986.03 = 206,665.26 : x
  2. Step 2: Convert to fraction form
    775,287.06/1,162,986.03 = 206,665.26/x
  3. Step 3: Cross multiply
    775,287.06x = 1,162,986.03 × 206,665.26
  4. Step 4: Simplify right side
    775,287.06x = 240,348,810,266.32
  5. Step 5: Solve for x
    x = 240,348,810,266.32/775,287.06
  6. Step 6: Final answer
    x = 310,012.67

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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.