Home / 1,338,782.27-1,847,063.25-855,626.11

Finding the Fourth Proportional to 1,338,782.27, 1,847,063.25 and 855,626.11

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Solution

The fourth proportional to 1,338,782.27, 1,847,063.25 and 855,626.11 is: 1,180,472.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,782.27 : 1,847,063.25 = 855,626.11 : x
  2. Step 2: Convert to fraction form
    1,338,782.27/1,847,063.25 = 855,626.11/x
  3. Step 3: Cross multiply
    1,338,782.27x = 1,847,063.25 × 855,626.11
  4. Step 4: Simplify right side
    1,338,782.27x = 1,580,395,538,903.80
  5. Step 5: Solve for x
    x = 1,580,395,538,903.80/1,338,782.27
  6. Step 6: Final answer
    x = 1,180,472.42

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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.