Home / 1,904,149.88-2,856,234.60-641,988.44

Finding the Fourth Proportional to 1,904,149.88, 2,856,234.60 and 641,988.44

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Solution

The fourth proportional to 1,904,149.88, 2,856,234.60 and 641,988.44 is: 962,985.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904,149.88 : 2,856,234.60 = 641,988.44 : x
  2. Step 2: Convert to fraction form
    1,904,149.88/2,856,234.60 = 641,988.44/x
  3. Step 3: Cross multiply
    1,904,149.88x = 2,856,234.60 × 641,988.44
  4. Step 4: Simplify right side
    1,904,149.88x = 1,833,669,595,128.02
  5. Step 5: Solve for x
    x = 1,833,669,595,128.02/1,904,149.88
  6. Step 6: Final answer
    x = 962,985.96

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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.