Home / 1,282,181.94-1,921,574.04-681,850.44

Finding the Fourth Proportional to 1,282,181.94, 1,921,574.04 and 681,850.44

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Solution

The fourth proportional to 1,282,181.94, 1,921,574.04 and 681,850.44 is: 1,021,872.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,181.94 : 1,921,574.04 = 681,850.44 : x
  2. Step 2: Convert to fraction form
    1,282,181.94/1,921,574.04 = 681,850.44/x
  3. Step 3: Cross multiply
    1,282,181.94x = 1,921,574.04 × 681,850.44
  4. Step 4: Simplify right side
    1,282,181.94x = 1,310,226,104,666.58
  5. Step 5: Solve for x
    x = 1,310,226,104,666.58/1,282,181.94
  6. Step 6: Final answer
    x = 1,021,872.22

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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.