Home / 2,634,543-3,951,824.22-639,999

Finding the Fourth Proportional to 2,634,543, 3,951,824.22 and 639,999

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Solution

The fourth proportional to 2,634,543, 3,951,824.22 and 639,999 is: 960,000.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,634,543 : 3,951,824.22 = 639,999 : x
  2. Step 2: Convert to fraction form
    2,634,543/3,951,824.22 = 639,999/x
  3. Step 3: Cross multiply
    2,634,543x = 3,951,824.22 × 639,999
  4. Step 4: Simplify right side
    2,634,543x = 2,529,163,548,975.78
  5. Step 5: Solve for x
    x = 2,529,163,548,975.78/2,634,543
  6. Step 6: Final answer
    x = 960,000.86

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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.