Home / 3,138,761.64-4,708,186.20-894,899.64

Finding the Fourth Proportional to 3,138,761.64, 4,708,186.20 and 894,899.64

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Solution

The fourth proportional to 3,138,761.64, 4,708,186.20 and 894,899.64 is: 1,342,361.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138,761.64 : 4,708,186.20 = 894,899.64 : x
  2. Step 2: Convert to fraction form
    3,138,761.64/4,708,186.20 = 894,899.64/x
  3. Step 3: Cross multiply
    3,138,761.64x = 4,708,186.20 × 894,899.64
  4. Step 4: Simplify right side
    3,138,761.64x = 4,213,354,135,432.97
  5. Step 5: Solve for x
    x = 4,213,354,135,432.97/3,138,761.64
  6. Step 6: Final answer
    x = 1,342,361.93

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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.