Home / 1,883,653.28-2,825,722.92-685,391.12

Finding the Fourth Proportional to 1,883,653.28, 2,825,722.92 and 685,391.12

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Solution

The fourth proportional to 1,883,653.28, 2,825,722.92 and 685,391.12 is: 1,028,175.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,883,653.28 : 2,825,722.92 = 685,391.12 : x
  2. Step 2: Convert to fraction form
    1,883,653.28/2,825,722.92 = 685,391.12/x
  3. Step 3: Cross multiply
    1,883,653.28x = 2,825,722.92 × 685,391.12
  4. Step 4: Simplify right side
    1,883,653.28x = 1,936,725,396,948.47
  5. Step 5: Solve for x
    x = 1,936,725,396,948.47/1,883,653.28
  6. Step 6: Final answer
    x = 1,028,175.10

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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.