Home / 1,360,991.66-2,040,115.15-855,913.60

Finding the Fourth Proportional to 1,360,991.66, 2,040,115.15 and 855,913.60

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Solution

The fourth proportional to 1,360,991.66, 2,040,115.15 and 855,913.60 is: 1,283,007.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360,991.66 : 2,040,115.15 = 855,913.60 : x
  2. Step 2: Convert to fraction form
    1,360,991.66/2,040,115.15 = 855,913.60/x
  3. Step 3: Cross multiply
    1,360,991.66x = 2,040,115.15 × 855,913.60
  4. Step 4: Simplify right side
    1,360,991.66x = 1,746,162,287,970.90
  5. Step 5: Solve for x
    x = 1,746,162,287,970.90/1,360,991.66
  6. Step 6: Final answer
    x = 1,283,007.34

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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.