Home / 1,090,231.98-1,635,885.81-491,609.58

Finding the Fourth Proportional to 1,090,231.98, 1,635,885.81 and 491,609.58

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Solution

The fourth proportional to 1,090,231.98, 1,635,885.81 and 491,609.58 is: 737,656.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,231.98 : 1,635,885.81 = 491,609.58 : x
  2. Step 2: Convert to fraction form
    1,090,231.98/1,635,885.81 = 491,609.58/x
  3. Step 3: Cross multiply
    1,090,231.98x = 1,635,885.81 × 491,609.58
  4. Step 4: Simplify right side
    1,090,231.98x = 804,217,135,982.06
  5. Step 5: Solve for x
    x = 804,217,135,982.06/1,090,231.98
  6. Step 6: Final answer
    x = 737,656.89

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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.