Home / 1,081,434.82-1,491,884.01-699,584.74

Finding the Fourth Proportional to 1,081,434.82, 1,491,884.01 and 699,584.74

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Solution

The fourth proportional to 1,081,434.82, 1,491,884.01 and 699,584.74 is: 965,106.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,434.82 : 1,491,884.01 = 699,584.74 : x
  2. Step 2: Convert to fraction form
    1,081,434.82/1,491,884.01 = 699,584.74/x
  3. Step 3: Cross multiply
    1,081,434.82x = 1,491,884.01 × 699,584.74
  4. Step 4: Simplify right side
    1,081,434.82x = 1,043,699,287,246.01
  5. Step 5: Solve for x
    x = 1,043,699,287,246.01/1,081,434.82
  6. Step 6: Final answer
    x = 965,106.05

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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.