Home / 1,074,934.82-1,612,458.72-276,221.76

Finding the Fourth Proportional to 1,074,934.82, 1,612,458.72 and 276,221.76

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Solution

The fourth proportional to 1,074,934.82, 1,612,458.72 and 276,221.76 is: 414,347.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,934.82 : 1,612,458.72 = 276,221.76 : x
  2. Step 2: Convert to fraction form
    1,074,934.82/1,612,458.72 = 276,221.76/x
  3. Step 3: Cross multiply
    1,074,934.82x = 1,612,458.72 × 276,221.76
  4. Step 4: Simplify right side
    1,074,934.82x = 445,396,185,565.75
  5. Step 5: Solve for x
    x = 445,396,185,565.75/1,074,934.82
  6. Step 6: Final answer
    x = 414,347.16

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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.