Home / 1,805,358.78-2,491,296.75-989,564.04

Finding the Fourth Proportional to 1,805,358.78, 2,491,296.75 and 989,564.04

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Solution

The fourth proportional to 1,805,358.78, 2,491,296.75 and 989,564.04 is: 1,365,544.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805,358.78 : 2,491,296.75 = 989,564.04 : x
  2. Step 2: Convert to fraction form
    1,805,358.78/2,491,296.75 = 989,564.04/x
  3. Step 3: Cross multiply
    1,805,358.78x = 2,491,296.75 × 989,564.04
  4. Step 4: Simplify right side
    1,805,358.78x = 2,465,297,676,768.87
  5. Step 5: Solve for x
    x = 2,465,297,676,768.87/1,805,358.78
  6. Step 6: Final answer
    x = 1,365,544.46

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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.