Home / 1,086,699.07-1,629,996.00-412,727.78

Finding the Fourth Proportional to 1,086,699.07, 1,629,996.00 and 412,727.78

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Solution

The fourth proportional to 1,086,699.07, 1,629,996.00 and 412,727.78 is: 619,071.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,699.07 : 1,629,996.00 = 412,727.78 : x
  2. Step 2: Convert to fraction form
    1,086,699.07/1,629,996.00 = 412,727.78/x
  3. Step 3: Cross multiply
    1,086,699.07x = 1,629,996.00 × 412,727.78
  4. Step 4: Simplify right side
    1,086,699.07x = 672,744,628,537.39
  5. Step 5: Solve for x
    x = 672,744,628,537.39/1,086,699.07
  6. Step 6: Final answer
    x = 619,071.69

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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.