Home / 783,716.94-1,081,541.23-439,629.14

Finding the Fourth Proportional to 783,716.94, 1,081,541.23 and 439,629.14

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Solution

The fourth proportional to 783,716.94, 1,081,541.23 and 439,629.14 is: 606,694.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,716.94 : 1,081,541.23 = 439,629.14 : x
  2. Step 2: Convert to fraction form
    783,716.94/1,081,541.23 = 439,629.14/x
  3. Step 3: Cross multiply
    783,716.94x = 1,081,541.23 × 439,629.14
  4. Step 4: Simplify right side
    783,716.94x = 475,477,040,819.44
  5. Step 5: Solve for x
    x = 475,477,040,819.44/783,716.94
  6. Step 6: Final answer
    x = 606,694.86

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1.5x scale

Why These Related Problems?

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