Home / 1,224,727.11-1,690,181.08-680,871.96

Finding the Fourth Proportional to 1,224,727.11, 1,690,181.08 and 680,871.96

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Solution

The fourth proportional to 1,224,727.11, 1,690,181.08 and 680,871.96 is: 939,635.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,727.11 : 1,690,181.08 = 680,871.96 : x
  2. Step 2: Convert to fraction form
    1,224,727.11/1,690,181.08 = 680,871.96/x
  3. Step 3: Cross multiply
    1,224,727.11x = 1,690,181.08 × 680,871.96
  4. Step 4: Simplify right side
    1,224,727.11x = 1,150,796,902,992.34
  5. Step 5: Solve for x
    x = 1,150,796,902,992.34/1,224,727.11
  6. Step 6: Final answer
    x = 939,635.36

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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.