Home / 922,481.19-1,383,731.07-323,456.76

Finding the Fourth Proportional to 922,481.19, 1,383,731.07 and 323,456.76

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Solution

The fourth proportional to 922,481.19, 1,383,731.07 and 323,456.76 is: 485,188.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,481.19 : 1,383,731.07 = 323,456.76 : x
  2. Step 2: Convert to fraction form
    922,481.19/1,383,731.07 = 323,456.76/x
  3. Step 3: Cross multiply
    922,481.19x = 1,383,731.07 × 323,456.76
  4. Step 4: Simplify right side
    922,481.19x = 447,577,172,589.56
  5. Step 5: Solve for x
    x = 447,577,172,589.56/922,481.19
  6. Step 6: Final answer
    x = 485,188.40

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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.