Home / 1,511,195.32-2,085,369.06-866,584.36

Finding the Fourth Proportional to 1,511,195.32, 2,085,369.06 and 866,584.36

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Solution

The fourth proportional to 1,511,195.32, 2,085,369.06 and 866,584.36 is: 1,195,840.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,195.32 : 2,085,369.06 = 866,584.36 : x
  2. Step 2: Convert to fraction form
    1,511,195.32/2,085,369.06 = 866,584.36/x
  3. Step 3: Cross multiply
    1,511,195.32x = 2,085,369.06 × 866,584.36
  4. Step 4: Simplify right side
    1,511,195.32x = 1,807,148,212,223.90
  5. Step 5: Solve for x
    x = 1,807,148,212,223.90/1,511,195.32
  6. Step 6: Final answer
    x = 1,195,840.27

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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.