Home / 1,618,192.80-2,427,772.32-480,993.12

Finding the Fourth Proportional to 1,618,192.80, 2,427,772.32 and 480,993.12

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Solution

The fourth proportional to 1,618,192.80, 2,427,772.32 and 480,993.12 is: 721,633.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,192.80 : 2,427,772.32 = 480,993.12 : x
  2. Step 2: Convert to fraction form
    1,618,192.80/2,427,772.32 = 480,993.12/x
  3. Step 3: Cross multiply
    1,618,192.80x = 2,427,772.32 × 480,993.12
  4. Step 4: Simplify right side
    1,618,192.80x = 1,167,741,782,846.44
  5. Step 5: Solve for x
    x = 1,167,741,782,846.44/1,618,192.80
  6. Step 6: Final answer
    x = 721,633.28

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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.