Home / 912,736.92-1,259,191.26-611,028.12

Finding the Fourth Proportional to 912,736.92, 1,259,191.26 and 611,028.12

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Solution

The fourth proportional to 912,736.92, 1,259,191.26 and 611,028.12 is: 842,960.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,736.92 : 1,259,191.26 = 611,028.12 : x
  2. Step 2: Convert to fraction form
    912,736.92/1,259,191.26 = 611,028.12/x
  3. Step 3: Cross multiply
    912,736.92x = 1,259,191.26 × 611,028.12
  4. Step 4: Simplify right side
    912,736.92x = 769,401,268,318.23
  5. Step 5: Solve for x
    x = 769,401,268,318.23/912,736.92
  6. Step 6: Final answer
    x = 842,960.61

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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.