Home / 1,097,855.70-1,646,467.53-378,168.33

Finding the Fourth Proportional to 1,097,855.70, 1,646,467.53 and 378,168.33

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Solution

The fourth proportional to 1,097,855.70, 1,646,467.53 and 378,168.33 is: 567,143.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,855.70 : 1,646,467.53 = 378,168.33 : x
  2. Step 2: Convert to fraction form
    1,097,855.70/1,646,467.53 = 378,168.33/x
  3. Step 3: Cross multiply
    1,097,855.70x = 1,646,467.53 × 378,168.33
  4. Step 4: Simplify right side
    1,097,855.70x = 622,641,876,219.33
  5. Step 5: Solve for x
    x = 622,641,876,219.33/1,097,855.70
  6. Step 6: Final answer
    x = 567,143.64

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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.