Home / 488,721.30-733,211.55-173,145.30

Finding the Fourth Proportional to 488,721.30, 733,211.55 and 173,145.30

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Solution

The fourth proportional to 488,721.30, 733,211.55 and 173,145.30 is: 259,763.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,721.30 : 733,211.55 = 173,145.30 : x
  2. Step 2: Convert to fraction form
    488,721.30/733,211.55 = 173,145.30/x
  3. Step 3: Cross multiply
    488,721.30x = 733,211.55 × 173,145.30
  4. Step 4: Simplify right side
    488,721.30x = 126,952,133,788.22
  5. Step 5: Solve for x
    x = 126,952,133,788.22/488,721.30
  6. Step 6: Final answer
    x = 259,763.86

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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.