Home / 1,039,568.72-1,436,008.97-783,382.18

Finding the Fourth Proportional to 1,039,568.72, 1,436,008.97 and 783,382.18

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Solution

The fourth proportional to 1,039,568.72, 1,436,008.97 and 783,382.18 is: 1,082,125.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,568.72 : 1,436,008.97 = 783,382.18 : x
  2. Step 2: Convert to fraction form
    1,039,568.72/1,436,008.97 = 783,382.18/x
  3. Step 3: Cross multiply
    1,039,568.72x = 1,436,008.97 × 783,382.18
  4. Step 4: Simplify right side
    1,039,568.72x = 1,124,943,837,418.15
  5. Step 5: Solve for x
    x = 1,124,943,837,418.15/1,039,568.72
  6. Step 6: Final answer
    x = 1,082,125.52

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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.