Home / 1,226,008.28-1,691,742.84-682,015.52

Finding the Fourth Proportional to 1,226,008.28, 1,691,742.84 and 682,015.52

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Solution

The fourth proportional to 1,226,008.28, 1,691,742.84 and 682,015.52 is: 941,098.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,008.28 : 1,691,742.84 = 682,015.52 : x
  2. Step 2: Convert to fraction form
    1,226,008.28/1,691,742.84 = 682,015.52/x
  3. Step 3: Cross multiply
    1,226,008.28x = 1,691,742.84 × 682,015.52
  4. Step 4: Simplify right side
    1,226,008.28x = 1,153,794,872,728.88
  5. Step 5: Solve for x
    x = 1,153,794,872,728.88/1,226,008.28
  6. Step 6: Final answer
    x = 941,098.76

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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.