Home / 1,080,884.28-1,491,256.62-699,393.72

Finding the Fourth Proportional to 1,080,884.28, 1,491,256.62 and 699,393.72

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Solution

The fourth proportional to 1,080,884.28, 1,491,256.62 and 699,393.72 is: 964,928.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,884.28 : 1,491,256.62 = 699,393.72 : x
  2. Step 2: Convert to fraction form
    1,080,884.28/1,491,256.62 = 699,393.72/x
  3. Step 3: Cross multiply
    1,080,884.28x = 1,491,256.62 × 699,393.72
  4. Step 4: Simplify right side
    1,080,884.28x = 1,042,975,514,936.43
  5. Step 5: Solve for x
    x = 1,042,975,514,936.43/1,080,884.28
  6. Step 6: Final answer
    x = 964,928.01

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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.