Home / 1,511,183.93-2,085,424.88-822,854.14

Finding the Fourth Proportional to 1,511,183.93, 2,085,424.88 and 822,854.14

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Solution

The fourth proportional to 1,511,183.93, 2,085,424.88 and 822,854.14 is: 1,135,533.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,183.93 : 2,085,424.88 = 822,854.14 : x
  2. Step 2: Convert to fraction form
    1,511,183.93/2,085,424.88 = 822,854.14/x
  3. Step 3: Cross multiply
    1,511,183.93x = 2,085,424.88 × 822,854.14
  4. Step 4: Simplify right side
    1,511,183.93x = 1,716,000,486,839.17
  5. Step 5: Solve for x
    x = 1,716,000,486,839.17/1,511,183.93
  6. Step 6: Final answer
    x = 1,135,533.84

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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.