Home / 397,180.08-595,434.78-172,370.52

Finding the Fourth Proportional to 397,180.08, 595,434.78 and 172,370.52

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Solution

The fourth proportional to 397,180.08, 595,434.78 and 172,370.52 is: 258,410.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,180.08 : 595,434.78 = 172,370.52 : x
  2. Step 2: Convert to fraction form
    397,180.08/595,434.78 = 172,370.52/x
  3. Step 3: Cross multiply
    397,180.08x = 595,434.78 × 172,370.52
  4. Step 4: Simplify right side
    397,180.08x = 102,635,402,654.69
  5. Step 5: Solve for x
    x = 102,635,402,654.69/397,180.08
  6. Step 6: Final answer
    x = 258,410.25

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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.