Home / 702,020.76-1,052,642.16-327,839.64

Finding the Fourth Proportional to 702,020.76, 1,052,642.16 and 327,839.64

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Solution

The fourth proportional to 702,020.76, 1,052,642.16 and 327,839.64 is: 491,577.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,020.76 : 1,052,642.16 = 327,839.64 : x
  2. Step 2: Convert to fraction form
    702,020.76/1,052,642.16 = 327,839.64/x
  3. Step 3: Cross multiply
    702,020.76x = 1,052,642.16 × 327,839.64
  4. Step 4: Simplify right side
    702,020.76x = 345,097,826,783.22
  5. Step 5: Solve for x
    x = 345,097,826,783.22/702,020.76
  6. Step 6: Final answer
    x = 491,577.81

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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.