Home / 645,218.36-967,723.80-201,986.36

Finding the Fourth Proportional to 645,218.36, 967,723.80 and 201,986.36

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Solution

The fourth proportional to 645,218.36, 967,723.80 and 201,986.36 is: 302,947.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,218.36 : 967,723.80 = 201,986.36 : x
  2. Step 2: Convert to fraction form
    645,218.36/967,723.80 = 201,986.36/x
  3. Step 3: Cross multiply
    645,218.36x = 967,723.80 × 201,986.36
  4. Step 4: Simplify right side
    645,218.36x = 195,467,007,847.37
  5. Step 5: Solve for x
    x = 195,467,007,847.37/645,218.36
  6. Step 6: Final answer
    x = 302,947.06

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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.