Home / 783,668.80-1,081,581.17-477,922.56

Finding the Fourth Proportional to 783,668.80, 1,081,581.17 and 477,922.56

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Solution

The fourth proportional to 783,668.80, 1,081,581.17 and 477,922.56 is: 659,605.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,668.80 : 1,081,581.17 = 477,922.56 : x
  2. Step 2: Convert to fraction form
    783,668.80/1,081,581.17 = 477,922.56/x
  3. Step 3: Cross multiply
    783,668.80x = 1,081,581.17 × 477,922.56
  4. Step 4: Simplify right side
    783,668.80x = 516,912,041,614.20
  5. Step 5: Solve for x
    x = 516,912,041,614.20/783,668.80
  6. Step 6: Final answer
    x = 659,605.23

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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.