Home / 545,786.71-818,767.54-230,290.09

Finding the Fourth Proportional to 545,786.71, 818,767.54 and 230,290.09

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Solution

The fourth proportional to 545,786.71, 818,767.54 and 230,290.09 is: 345,472.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,786.71 : 818,767.54 = 230,290.09 : x
  2. Step 2: Convert to fraction form
    545,786.71/818,767.54 = 230,290.09/x
  3. Step 3: Cross multiply
    545,786.71x = 818,767.54 × 230,290.09
  4. Step 4: Simplify right side
    545,786.71x = 188,554,048,716.62
  5. Step 5: Solve for x
    x = 188,554,048,716.62/545,786.71
  6. Step 6: Final answer
    x = 345,472.04

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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.