Home / 657,276.66-985,816.31-207,939.14

Finding the Fourth Proportional to 657,276.66, 985,816.31 and 207,939.14

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Solution

The fourth proportional to 657,276.66, 985,816.31 and 207,939.14 is: 311,877.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,276.66 : 985,816.31 = 207,939.14 : x
  2. Step 2: Convert to fraction form
    657,276.66/985,816.31 = 207,939.14/x
  3. Step 3: Cross multiply
    657,276.66x = 985,816.31 × 207,939.14
  4. Step 4: Simplify right side
    657,276.66x = 204,989,789,730.60
  5. Step 5: Solve for x
    x = 204,989,789,730.60/657,276.66
  6. Step 6: Final answer
    x = 311,877.48

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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.