Home / 1,511,204.32-2,085,380.40-866,651.68

Finding the Fourth Proportional to 1,511,204.32, 2,085,380.40 and 866,651.68

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Solution

The fourth proportional to 1,511,204.32, 2,085,380.40 and 866,651.68 is: 1,195,932.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,204.32 : 2,085,380.40 = 866,651.68 : x
  2. Step 2: Convert to fraction form
    1,511,204.32/2,085,380.40 = 866,651.68/x
  3. Step 3: Cross multiply
    1,511,204.32x = 2,085,380.40 × 866,651.68
  4. Step 4: Simplify right side
    1,511,204.32x = 1,807,298,427,099.07
  5. Step 5: Solve for x
    x = 1,807,298,427,099.07/1,511,204.32
  6. Step 6: Final answer
    x = 1,195,932.54

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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.