Home / 1,511,206.56-2,085,552.40-866,621.60

Finding the Fourth Proportional to 1,511,206.56, 2,085,552.40 and 866,621.60

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Solution

The fourth proportional to 1,511,206.56, 2,085,552.40 and 866,621.60 is: 1,195,987.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,206.56 : 2,085,552.40 = 866,621.60 : x
  2. Step 2: Convert to fraction form
    1,511,206.56/2,085,552.40 = 866,621.60/x
  3. Step 3: Cross multiply
    1,511,206.56x = 2,085,552.40 × 866,621.60
  4. Step 4: Simplify right side
    1,511,206.56x = 1,807,384,757,771.84
  5. Step 5: Solve for x
    x = 1,807,384,757,771.84/1,511,206.56
  6. Step 6: Final answer
    x = 1,195,987.90

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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.