Home / 571,949.74-857,996.12-172,589.86

Finding the Fourth Proportional to 571,949.74, 857,996.12 and 172,589.86

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Solution

The fourth proportional to 571,949.74, 857,996.12 and 172,589.86 is: 258,906.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,949.74 : 857,996.12 = 172,589.86 : x
  2. Step 2: Convert to fraction form
    571,949.74/857,996.12 = 172,589.86/x
  3. Step 3: Cross multiply
    571,949.74x = 857,996.12 × 172,589.86
  4. Step 4: Simplify right side
    571,949.74x = 148,081,430,231.34
  5. Step 5: Solve for x
    x = 148,081,430,231.34/571,949.74
  6. Step 6: Final answer
    x = 258,906.37

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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.