Home / 486,786.20-671,764.94-271,926.26

Finding the Fourth Proportional to 486,786.20, 671,764.94 and 271,926.26

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Solution

The fourth proportional to 486,786.20, 671,764.94 and 271,926.26 is: 375,258.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,786.20 : 671,764.94 = 271,926.26 : x
  2. Step 2: Convert to fraction form
    486,786.20/671,764.94 = 271,926.26/x
  3. Step 3: Cross multiply
    486,786.20x = 671,764.94 × 271,926.26
  4. Step 4: Simplify right side
    486,786.20x = 182,670,527,733.32
  5. Step 5: Solve for x
    x = 182,670,527,733.32/486,786.20
  6. Step 6: Final answer
    x = 375,258.23

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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.