Home / 916,605.72-1,372,918.41-560,540.25

Finding the Fourth Proportional to 916,605.72, 1,372,918.41 and 560,540.25

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Solution

The fourth proportional to 916,605.72, 1,372,918.41 and 560,540.25 is: 839,593.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,605.72 : 1,372,918.41 = 560,540.25 : x
  2. Step 2: Convert to fraction form
    916,605.72/1,372,918.41 = 560,540.25/x
  3. Step 3: Cross multiply
    916,605.72x = 1,372,918.41 × 560,540.25
  4. Step 4: Simplify right side
    916,605.72x = 769,576,028,771.00
  5. Step 5: Solve for x
    x = 769,576,028,771.00/916,605.72
  6. Step 6: Final answer
    x = 839,593.31

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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.