Home / 1,219,305.80-1,682,623.78-675,439.96

Finding the Fourth Proportional to 1,219,305.80, 1,682,623.78 and 675,439.96

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Solution

The fourth proportional to 1,219,305.80, 1,682,623.78 and 675,439.96 is: 932,097.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,305.80 : 1,682,623.78 = 675,439.96 : x
  2. Step 2: Convert to fraction form
    1,219,305.80/1,682,623.78 = 675,439.96/x
  3. Step 3: Cross multiply
    1,219,305.80x = 1,682,623.78 × 675,439.96
  4. Step 4: Simplify right side
    1,219,305.80x = 1,136,511,338,658.25
  5. Step 5: Solve for x
    x = 1,136,511,338,658.25/1,219,305.80
  6. Step 6: Final answer
    x = 932,097.05

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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.