Home / 838,983.05-1,258,473.88-207,896.86

Finding the Fourth Proportional to 838,983.05, 1,258,473.88 and 207,896.86

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Solution

The fourth proportional to 838,983.05, 1,258,473.88 and 207,896.86 is: 311,845.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,983.05 : 1,258,473.88 = 207,896.86 : x
  2. Step 2: Convert to fraction form
    838,983.05/1,258,473.88 = 207,896.86/x
  3. Step 3: Cross multiply
    838,983.05x = 1,258,473.88 × 207,896.86
  4. Step 4: Simplify right side
    838,983.05x = 261,632,769,876.98
  5. Step 5: Solve for x
    x = 261,632,769,876.98/838,983.05
  6. Step 6: Final answer
    x = 311,845.12

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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.