Home / 2,798,850.60-4,198,794.30-905,653.80

Finding the Fourth Proportional to 2,798,850.60, 4,198,794.30 and 905,653.80

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Solution

The fourth proportional to 2,798,850.60, 4,198,794.30 and 905,653.80 is: 1,358,648.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,798,850.60 : 4,198,794.30 = 905,653.80 : x
  2. Step 2: Convert to fraction form
    2,798,850.60/4,198,794.30 = 905,653.80/x
  3. Step 3: Cross multiply
    2,798,850.60x = 4,198,794.30 × 905,653.80
  4. Step 4: Simplify right side
    2,798,850.60x = 3,802,654,013,213.34
  5. Step 5: Solve for x
    x = 3,802,654,013,213.34/2,798,850.60
  6. Step 6: Final answer
    x = 1,358,648.44

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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.