Home / 1,200,884.64-1,656,949.68-717,355.36

Finding the Fourth Proportional to 1,200,884.64, 1,656,949.68 and 717,355.36

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Solution

The fourth proportional to 1,200,884.64, 1,656,949.68 and 717,355.36 is: 989,788.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,884.64 : 1,656,949.68 = 717,355.36 : x
  2. Step 2: Convert to fraction form
    1,200,884.64/1,656,949.68 = 717,355.36/x
  3. Step 3: Cross multiply
    1,200,884.64x = 1,656,949.68 × 717,355.36
  4. Step 4: Simplify right side
    1,200,884.64x = 1,188,621,734,198.28
  5. Step 5: Solve for x
    x = 1,188,621,734,198.28/1,200,884.64
  6. Step 6: Final answer
    x = 989,788.44

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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.