Home / 859,354.44-1,185,942.78-587,991.48

Finding the Fourth Proportional to 859,354.44, 1,185,942.78 and 587,991.48

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Solution

The fourth proportional to 859,354.44, 1,185,942.78 and 587,991.48 is: 811,451.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,354.44 : 1,185,942.78 = 587,991.48 : x
  2. Step 2: Convert to fraction form
    859,354.44/1,185,942.78 = 587,991.48/x
  3. Step 3: Cross multiply
    859,354.44x = 1,185,942.78 × 587,991.48
  4. Step 4: Simplify right side
    859,354.44x = 697,324,250,407.51
  5. Step 5: Solve for x
    x = 697,324,250,407.51/859,354.44
  6. Step 6: Final answer
    x = 811,451.27

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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.