Home / 806,711.70-1,210,067.55-541,290.90

Finding the Fourth Proportional to 806,711.70, 1,210,067.55 and 541,290.90

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Solution

The fourth proportional to 806,711.70, 1,210,067.55 and 541,290.90 is: 811,936.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,711.70 : 1,210,067.55 = 541,290.90 : x
  2. Step 2: Convert to fraction form
    806,711.70/1,210,067.55 = 541,290.90/x
  3. Step 3: Cross multiply
    806,711.70x = 1,210,067.55 × 541,290.90
  4. Step 4: Simplify right side
    806,711.70x = 654,998,553,200.30
  5. Step 5: Solve for x
    x = 654,998,553,200.30/806,711.70
  6. Step 6: Final answer
    x = 811,936.35

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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.