Home / 1,679,334.62-2,317,481.84-915,388.17

Finding the Fourth Proportional to 1,679,334.62, 2,317,481.84 and 915,388.17

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Solution

The fourth proportional to 1,679,334.62, 2,317,481.84 and 915,388.17 is: 1,263,235.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,334.62 : 2,317,481.84 = 915,388.17 : x
  2. Step 2: Convert to fraction form
    1,679,334.62/2,317,481.84 = 915,388.17/x
  3. Step 3: Cross multiply
    1,679,334.62x = 2,317,481.84 × 915,388.17
  4. Step 4: Simplify right side
    1,679,334.62x = 2,121,395,455,948.89
  5. Step 5: Solve for x
    x = 2,121,395,455,948.89/1,679,334.62
  6. Step 6: Final answer
    x = 1,263,235.71

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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.