Home / 1,143,767.31-1,578,414.99-627,511.82

Finding the Fourth Proportional to 1,143,767.31, 1,578,414.99 and 627,511.82

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Solution

The fourth proportional to 1,143,767.31, 1,578,414.99 and 627,511.82 is: 865,975.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,767.31 : 1,578,414.99 = 627,511.82 : x
  2. Step 2: Convert to fraction form
    1,143,767.31/1,578,414.99 = 627,511.82/x
  3. Step 3: Cross multiply
    1,143,767.31x = 1,578,414.99 × 627,511.82
  4. Step 4: Simplify right side
    1,143,767.31x = 990,474,067,036.22
  5. Step 5: Solve for x
    x = 990,474,067,036.22/1,143,767.31
  6. Step 6: Final answer
    x = 865,975.15

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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.