Home / 1,613,716.58-2,226,945.40-888,631.72

Finding the Fourth Proportional to 1,613,716.58, 2,226,945.40 and 888,631.72

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Solution

The fourth proportional to 1,613,716.58, 2,226,945.40 and 888,631.72 is: 1,226,320.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,613,716.58 : 2,226,945.40 = 888,631.72 : x
  2. Step 2: Convert to fraction form
    1,613,716.58/2,226,945.40 = 888,631.72/x
  3. Step 3: Cross multiply
    1,613,716.58x = 2,226,945.40 × 888,631.72
  4. Step 4: Simplify right side
    1,613,716.58x = 1,978,934,321,148.09
  5. Step 5: Solve for x
    x = 1,978,934,321,148.09/1,613,716.58
  6. Step 6: Final answer
    x = 1,226,320.87

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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.