Home / 397,321.22-595,968.48-172,681.64

Finding the Fourth Proportional to 397,321.22, 595,968.48 and 172,681.64

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Solution

The fourth proportional to 397,321.22, 595,968.48 and 172,681.64 is: 259,016.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,321.22 : 595,968.48 = 172,681.64 : x
  2. Step 2: Convert to fraction form
    397,321.22/595,968.48 = 172,681.64/x
  3. Step 3: Cross multiply
    397,321.22x = 595,968.48 × 172,681.64
  4. Step 4: Simplify right side
    397,321.22x = 102,912,814,514.71
  5. Step 5: Solve for x
    x = 102,912,814,514.71/397,321.22
  6. Step 6: Final answer
    x = 259,016.66

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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.