Home / 861,611.84-1,188,977.61-474,351.56

Finding the Fourth Proportional to 861,611.84, 1,188,977.61 and 474,351.56

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Solution

The fourth proportional to 861,611.84, 1,188,977.61 and 474,351.56 is: 654,579.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,611.84 : 1,188,977.61 = 474,351.56 : x
  2. Step 2: Convert to fraction form
    861,611.84/1,188,977.61 = 474,351.56/x
  3. Step 3: Cross multiply
    861,611.84x = 1,188,977.61 × 474,351.56
  4. Step 4: Simplify right side
    861,611.84x = 563,993,378,163.68
  5. Step 5: Solve for x
    x = 563,993,378,163.68/861,611.84
  6. Step 6: Final answer
    x = 654,579.42

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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.