Home / 1,282,184.94-1,921,578.54-681,853.44

Finding the Fourth Proportional to 1,282,184.94, 1,921,578.54 and 681,853.44

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Solution

The fourth proportional to 1,282,184.94, 1,921,578.54 and 681,853.44 is: 1,021,876.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,184.94 : 1,921,578.54 = 681,853.44 : x
  2. Step 2: Convert to fraction form
    1,282,184.94/1,921,578.54 = 681,853.44/x
  3. Step 3: Cross multiply
    1,282,184.94x = 1,921,578.54 × 681,853.44
  4. Step 4: Simplify right side
    1,282,184.94x = 1,310,234,937,729.18
  5. Step 5: Solve for x
    x = 1,310,234,937,729.18/1,282,184.94
  6. Step 6: Final answer
    x = 1,021,876.72

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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.