Home / 1,090,984.40-1,635,310.20-491,843.60

Finding the Fourth Proportional to 1,090,984.40, 1,635,310.20 and 491,843.60

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Solution

The fourth proportional to 1,090,984.40, 1,635,310.20 and 491,843.60 is: 737,239.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,984.40 : 1,635,310.20 = 491,843.60 : x
  2. Step 2: Convert to fraction form
    1,090,984.40/1,635,310.20 = 491,843.60/x
  3. Step 3: Cross multiply
    1,090,984.40x = 1,635,310.20 × 491,843.60
  4. Step 4: Simplify right side
    1,090,984.40x = 804,316,855,884.72
  5. Step 5: Solve for x
    x = 804,316,855,884.72/1,090,984.40
  6. Step 6: Final answer
    x = 737,239.56

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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.