Home / 1,384,093.78-1,911,250.86-868,740.82

Finding the Fourth Proportional to 1,384,093.78, 1,911,250.86 and 868,740.82

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Solution

The fourth proportional to 1,384,093.78, 1,911,250.86 and 868,740.82 is: 1,199,616.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,093.78 : 1,911,250.86 = 868,740.82 : x
  2. Step 2: Convert to fraction form
    1,384,093.78/1,911,250.86 = 868,740.82/x
  3. Step 3: Cross multiply
    1,384,093.78x = 1,911,250.86 × 868,740.82
  4. Step 4: Simplify right side
    1,384,093.78x = 1,660,381,639,342.11
  5. Step 5: Solve for x
    x = 1,660,381,639,342.11/1,384,093.78
  6. Step 6: Final answer
    x = 1,199,616.43

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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.