Home / 1,096,191.64-1,512,638.12-688,163.04

Finding the Fourth Proportional to 1,096,191.64, 1,512,638.12 and 688,163.04

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Solution

The fourth proportional to 1,096,191.64, 1,512,638.12 and 688,163.04 is: 949,598.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,096,191.64 : 1,512,638.12 = 688,163.04 : x
  2. Step 2: Convert to fraction form
    1,096,191.64/1,512,638.12 = 688,163.04/x
  3. Step 3: Cross multiply
    1,096,191.64x = 1,512,638.12 × 688,163.04
  4. Step 4: Simplify right side
    1,096,191.64x = 1,040,941,647,079.09
  5. Step 5: Solve for x
    x = 1,040,941,647,079.09/1,096,191.64
  6. Step 6: Final answer
    x = 949,598.24

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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.