Home / 1,338,785.82-1,847,068.18-855,629.73

Finding the Fourth Proportional to 1,338,785.82, 1,847,068.18 and 855,629.73

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Solution

The fourth proportional to 1,338,785.82, 1,847,068.18 and 855,629.73 is: 1,180,477.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,785.82 : 1,847,068.18 = 855,629.73 : x
  2. Step 2: Convert to fraction form
    1,338,785.82/1,847,068.18 = 855,629.73/x
  3. Step 3: Cross multiply
    1,338,785.82x = 1,847,068.18 × 855,629.73
  4. Step 4: Simplify right side
    1,338,785.82x = 1,580,406,448,144.99
  5. Step 5: Solve for x
    x = 1,580,406,448,144.99/1,338,785.82
  6. Step 6: Final answer
    x = 1,180,477.43

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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.