Home / 873,958.69-1,206,085.35-491,998.87

Finding the Fourth Proportional to 873,958.69, 1,206,085.35 and 491,998.87

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Solution

The fourth proportional to 873,958.69, 1,206,085.35 and 491,998.87 is: 678,971.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,958.69 : 1,206,085.35 = 491,998.87 : x
  2. Step 2: Convert to fraction form
    873,958.69/1,206,085.35 = 491,998.87/x
  3. Step 3: Cross multiply
    873,958.69x = 1,206,085.35 × 491,998.87
  4. Step 4: Simplify right side
    873,958.69x = 593,392,629,323.56
  5. Step 5: Solve for x
    x = 593,392,629,323.56/873,958.69
  6. Step 6: Final answer
    x = 678,971.03

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.