Home / 751,344.50-1,036,855.42-411,805.46

Finding the Fourth Proportional to 751,344.50, 1,036,855.42 and 411,805.46

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Solution

The fourth proportional to 751,344.50, 1,036,855.42 and 411,805.46 is: 568,291.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,344.50 : 1,036,855.42 = 411,805.46 : x
  2. Step 2: Convert to fraction form
    751,344.50/1,036,855.42 = 411,805.46/x
  3. Step 3: Cross multiply
    751,344.50x = 1,036,855.42 × 411,805.46
  4. Step 4: Simplify right side
    751,344.50x = 426,982,723,186.59
  5. Step 5: Solve for x
    x = 426,982,723,186.59/751,344.50
  6. Step 6: Final answer
    x = 568,291.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.