Home / 1,678,403.03-2,519,799.77-996,534.70

Finding the Fourth Proportional to 1,678,403.03, 2,519,799.77 and 996,534.70

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Solution

The fourth proportional to 1,678,403.03, 2,519,799.77 and 996,534.70 is: 1,496,105.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,403.03 : 2,519,799.77 = 996,534.70 : x
  2. Step 2: Convert to fraction form
    1,678,403.03/2,519,799.77 = 996,534.70/x
  3. Step 3: Cross multiply
    1,678,403.03x = 2,519,799.77 × 996,534.70
  4. Step 4: Simplify right side
    1,678,403.03x = 2,511,067,904,048.86
  5. Step 5: Solve for x
    x = 2,511,067,904,048.86/1,678,403.03
  6. Step 6: Final answer
    x = 1,496,105.44

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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.