Home / 644,149.26-888,912.23-357,664.41

Finding the Fourth Proportional to 644,149.26, 888,912.23 and 357,664.41

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Solution

The fourth proportional to 644,149.26, 888,912.23 and 357,664.41 is: 493,569.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,149.26 : 888,912.23 = 357,664.41 : x
  2. Step 2: Convert to fraction form
    644,149.26/888,912.23 = 357,664.41/x
  3. Step 3: Cross multiply
    644,149.26x = 888,912.23 × 357,664.41
  4. Step 4: Simplify right side
    644,149.26x = 317,932,266,496.41
  5. Step 5: Solve for x
    x = 317,932,266,496.41/644,149.26
  6. Step 6: Final answer
    x = 493,569.25

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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.