Home / 855,581.22-1,284,633.46-477,241.15

Finding the Fourth Proportional to 855,581.22, 1,284,633.46 and 477,241.15

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Solution

The fourth proportional to 855,581.22, 1,284,633.46 and 477,241.15 is: 716,565.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,581.22 : 1,284,633.46 = 477,241.15 : x
  2. Step 2: Convert to fraction form
    855,581.22/1,284,633.46 = 477,241.15/x
  3. Step 3: Cross multiply
    855,581.22x = 1,284,633.46 × 477,241.15
  4. Step 4: Simplify right side
    855,581.22x = 613,079,949,778.88
  5. Step 5: Solve for x
    x = 613,079,949,778.88/855,581.22
  6. Step 6: Final answer
    x = 716,565.46

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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.