Home / 1,866,768.77-2,800,448.39-668,664.56

Finding the Fourth Proportional to 1,866,768.77, 2,800,448.39 and 668,664.56

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Solution

The fourth proportional to 1,866,768.77, 2,800,448.39 and 668,664.56 is: 1,003,102.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,866,768.77 : 2,800,448.39 = 668,664.56 : x
  2. Step 2: Convert to fraction form
    1,866,768.77/2,800,448.39 = 668,664.56/x
  3. Step 3: Cross multiply
    1,866,768.77x = 2,800,448.39 × 668,664.56
  4. Step 4: Simplify right side
    1,866,768.77x = 1,872,560,579,954.26
  5. Step 5: Solve for x
    x = 1,872,560,579,954.26/1,866,768.77
  6. Step 6: Final answer
    x = 1,003,102.59

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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.