Home / 1,205,559.05-1,808,653.73-699,633.68

Finding the Fourth Proportional to 1,205,559.05, 1,808,653.73 and 699,633.68

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Solution

The fourth proportional to 1,205,559.05, 1,808,653.73 and 699,633.68 is: 1,049,633.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,559.05 : 1,808,653.73 = 699,633.68 : x
  2. Step 2: Convert to fraction form
    1,205,559.05/1,808,653.73 = 699,633.68/x
  3. Step 3: Cross multiply
    1,205,559.05x = 1,808,653.73 × 699,633.68
  4. Step 4: Simplify right side
    1,205,559.05x = 1,265,395,058,986.84
  5. Step 5: Solve for x
    x = 1,265,395,058,986.84/1,205,559.05
  6. Step 6: Final answer
    x = 1,049,633.41

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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.