Home / 1,413,805.80-1,951,072.08-769,226.52

Finding the Fourth Proportional to 1,413,805.80, 1,951,072.08 and 769,226.52

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Solution

The fourth proportional to 1,413,805.80, 1,951,072.08 and 769,226.52 is: 1,061,543.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,805.80 : 1,951,072.08 = 769,226.52 : x
  2. Step 2: Convert to fraction form
    1,413,805.80/1,951,072.08 = 769,226.52/x
  3. Step 3: Cross multiply
    1,413,805.80x = 1,951,072.08 × 769,226.52
  4. Step 4: Simplify right side
    1,413,805.80x = 1,500,816,386,367.56
  5. Step 5: Solve for x
    x = 1,500,816,386,367.56/1,413,805.80
  6. Step 6: Final answer
    x = 1,061,543.52

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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.