Home / 783,371.24-1,081,244.63-477,616.22

Finding the Fourth Proportional to 783,371.24, 1,081,244.63 and 477,616.22

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Solution

The fourth proportional to 783,371.24, 1,081,244.63 and 477,616.22 is: 659,227.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,371.24 : 1,081,244.63 = 477,616.22 : x
  2. Step 2: Convert to fraction form
    783,371.24/1,081,244.63 = 477,616.22/x
  3. Step 3: Cross multiply
    783,371.24x = 1,081,244.63 × 477,616.22
  4. Step 4: Simplify right side
    783,371.24x = 516,419,970,687.82
  5. Step 5: Solve for x
    x = 516,419,970,687.82/783,371.24
  6. Step 6: Final answer
    x = 659,227.64

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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.