Home / 2,171,447.07-3,257,194.17-655,143.57

Finding the Fourth Proportional to 2,171,447.07, 3,257,194.17 and 655,143.57

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Solution

The fourth proportional to 2,171,447.07, 3,257,194.17 and 655,143.57 is: 982,722.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171,447.07 : 3,257,194.17 = 655,143.57 : x
  2. Step 2: Convert to fraction form
    2,171,447.07/3,257,194.17 = 655,143.57/x
  3. Step 3: Cross multiply
    2,171,447.07x = 3,257,194.17 × 655,143.57
  4. Step 4: Simplify right side
    2,171,447.07x = 2,133,929,816,716.99
  5. Step 5: Solve for x
    x = 2,133,929,816,716.99/2,171,447.07
  6. Step 6: Final answer
    x = 982,722.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.