Home / 657,234.20-986,025.96-207,963.05

Finding the Fourth Proportional to 657,234.20, 986,025.96 and 207,963.05

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Solution

The fourth proportional to 657,234.20, 986,025.96 and 207,963.05 is: 311,999.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,234.20 : 986,025.96 = 207,963.05 : x
  2. Step 2: Convert to fraction form
    657,234.20/986,025.96 = 207,963.05/x
  3. Step 3: Cross multiply
    657,234.20x = 986,025.96 × 207,963.05
  4. Step 4: Simplify right side
    657,234.20x = 205,056,961,090.65
  5. Step 5: Solve for x
    x = 205,056,961,090.65/657,234.20
  6. Step 6: Final answer
    x = 311,999.83

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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.