Home / 896,028.72-1,343,576.43-422,586.96

Finding the Fourth Proportional to 896,028.72, 1,343,576.43 and 422,586.96

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Solution

The fourth proportional to 896,028.72, 1,343,576.43 and 422,586.96 is: 633,660.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,028.72 : 1,343,576.43 = 422,586.96 : x
  2. Step 2: Convert to fraction form
    896,028.72/1,343,576.43 = 422,586.96/x
  3. Step 3: Cross multiply
    896,028.72x = 1,343,576.43 × 422,586.96
  4. Step 4: Simplify right side
    896,028.72x = 567,777,879,081.35
  5. Step 5: Solve for x
    x = 567,777,879,081.35/896,028.72
  6. Step 6: Final answer
    x = 633,660.36

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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.