Home / 1,136,576.79-1,568,453.72-620,334.38

Finding the Fourth Proportional to 1,136,576.79, 1,568,453.72 and 620,334.38

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Solution

The fourth proportional to 1,136,576.79, 1,568,453.72 and 620,334.38 is: 856,049.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,576.79 : 1,568,453.72 = 620,334.38 : x
  2. Step 2: Convert to fraction form
    1,136,576.79/1,568,453.72 = 620,334.38/x
  3. Step 3: Cross multiply
    1,136,576.79x = 1,568,453.72 × 620,334.38
  4. Step 4: Simplify right side
    1,136,576.79x = 972,965,765,954.89
  5. Step 5: Solve for x
    x = 972,965,765,954.89/1,136,576.79
  6. Step 6: Final answer
    x = 856,049.30

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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.