Home / 2,059,348.98-3,088,990.38-639,406.44

Finding the Fourth Proportional to 2,059,348.98, 3,088,990.38 and 639,406.44

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Solution

The fourth proportional to 2,059,348.98, 3,088,990.38 and 639,406.44 is: 959,099.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,059,348.98 : 3,088,990.38 = 639,406.44 : x
  2. Step 2: Convert to fraction form
    2,059,348.98/3,088,990.38 = 639,406.44/x
  3. Step 3: Cross multiply
    2,059,348.98x = 3,088,990.38 × 639,406.44
  4. Step 4: Simplify right side
    2,059,348.98x = 1,975,120,342,070.05
  5. Step 5: Solve for x
    x = 1,975,120,342,070.05/2,059,348.98
  6. Step 6: Final answer
    x = 959,099.39

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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.