Home / 808,361.91-1,115,524.71-445,819.41

Finding the Fourth Proportional to 808,361.91, 1,115,524.71 and 445,819.41

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Solution

The fourth proportional to 808,361.91, 1,115,524.71 and 445,819.41 is: 615,222.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,361.91 : 1,115,524.71 = 445,819.41 : x
  2. Step 2: Convert to fraction form
    808,361.91/1,115,524.71 = 445,819.41/x
  3. Step 3: Cross multiply
    808,361.91x = 1,115,524.71 × 445,819.41
  4. Step 4: Simplify right side
    808,361.91x = 497,322,568,052.62
  5. Step 5: Solve for x
    x = 497,322,568,052.62/808,361.91
  6. Step 6: Final answer
    x = 615,222.66

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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.