Home / 1,904,149.44-2,856,233.88-641,988

Finding the Fourth Proportional to 1,904,149.44, 2,856,233.88 and 641,988

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Solution

The fourth proportional to 1,904,149.44, 2,856,233.88 and 641,988 is: 962,985.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904,149.44 : 2,856,233.88 = 641,988 : x
  2. Step 2: Convert to fraction form
    1,904,149.44/2,856,233.88 = 641,988/x
  3. Step 3: Cross multiply
    1,904,149.44x = 2,856,233.88 × 641,988
  4. Step 4: Simplify right side
    1,904,149.44x = 1,833,667,876,153.44
  5. Step 5: Solve for x
    x = 1,833,667,876,153.44/1,904,149.44
  6. Step 6: Final answer
    x = 962,985.28

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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.