Home / 866,163.15-1,299,230.41-258,952.87

Finding the Fourth Proportional to 866,163.15, 1,299,230.41 and 258,952.87

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Solution

The fourth proportional to 866,163.15, 1,299,230.41 and 258,952.87 is: 388,425.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,163.15 : 1,299,230.41 = 258,952.87 : x
  2. Step 2: Convert to fraction form
    866,163.15/1,299,230.41 = 258,952.87/x
  3. Step 3: Cross multiply
    866,163.15x = 1,299,230.41 × 258,952.87
  4. Step 4: Simplify right side
    866,163.15x = 336,439,443,460.78
  5. Step 5: Solve for x
    x = 336,439,443,460.78/866,163.15
  6. Step 6: Final answer
    x = 388,425.03

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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.