Home / 1,317,221.96-1,817,754.90-713,608.52

Finding the Fourth Proportional to 1,317,221.96, 1,817,754.90 and 713,608.52

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Solution

The fourth proportional to 1,317,221.96, 1,817,754.90 and 713,608.52 is: 984,773.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,221.96 : 1,817,754.90 = 713,608.52 : x
  2. Step 2: Convert to fraction form
    1,317,221.96/1,817,754.90 = 713,608.52/x
  3. Step 3: Cross multiply
    1,317,221.96x = 1,817,754.90 × 713,608.52
  4. Step 4: Simplify right side
    1,317,221.96x = 1,297,165,383,911.75
  5. Step 5: Solve for x
    x = 1,297,165,383,911.75/1,317,221.96
  6. Step 6: Final answer
    x = 984,773.58

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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.