Home / 1,111,698.62-1,533,974.42-628,087.31

Finding the Fourth Proportional to 1,111,698.62, 1,533,974.42 and 628,087.31

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Solution

The fourth proportional to 1,111,698.62, 1,533,974.42 and 628,087.31 is: 866,664.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,698.62 : 1,533,974.42 = 628,087.31 : x
  2. Step 2: Convert to fraction form
    1,111,698.62/1,533,974.42 = 628,087.31/x
  3. Step 3: Cross multiply
    1,111,698.62x = 1,533,974.42 × 628,087.31
  4. Step 4: Simplify right side
    1,111,698.62x = 963,469,875,347.97
  5. Step 5: Solve for x
    x = 963,469,875,347.97/1,111,698.62
  6. Step 6: Final answer
    x = 866,664.63

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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.