Home / 644,188.86-965,554.29-327,977.82

Finding the Fourth Proportional to 644,188.86, 965,554.29 and 327,977.82

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Solution

The fourth proportional to 644,188.86, 965,554.29 and 327,977.82 is: 491,595.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,188.86 : 965,554.29 = 327,977.82 : x
  2. Step 2: Convert to fraction form
    644,188.86/965,554.29 = 327,977.82/x
  3. Step 3: Cross multiply
    644,188.86x = 965,554.29 × 327,977.82
  4. Step 4: Simplify right side
    644,188.86x = 316,680,391,125.85
  5. Step 5: Solve for x
    x = 316,680,391,125.85/644,188.86
  6. Step 6: Final answer
    x = 491,595.57

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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.