Home / 497,942.92-687,157.92-283,083.04

Finding the Fourth Proportional to 497,942.92, 687,157.92 and 283,083.04

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Solution

The fourth proportional to 497,942.92, 687,157.92 and 283,083.04 is: 390,652.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,942.92 : 687,157.92 = 283,083.04 : x
  2. Step 2: Convert to fraction form
    497,942.92/687,157.92 = 283,083.04/x
  3. Step 3: Cross multiply
    497,942.92x = 687,157.92 × 283,083.04
  4. Step 4: Simplify right side
    497,942.92x = 194,522,752,953.68
  5. Step 5: Solve for x
    x = 194,522,752,953.68/497,942.92
  6. Step 6: Final answer
    x = 390,652.71

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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.