Home / 497,179.08-686,074.79-293,183.21

Finding the Fourth Proportional to 497,179.08, 686,074.79 and 293,183.21

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Solution

The fourth proportional to 497,179.08, 686,074.79 and 293,183.21 is: 404,573.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,179.08 : 686,074.79 = 293,183.21 : x
  2. Step 2: Convert to fraction form
    497,179.08/686,074.79 = 293,183.21/x
  3. Step 3: Cross multiply
    497,179.08x = 686,074.79 × 293,183.21
  4. Step 4: Simplify right side
    497,179.08x = 201,145,611,680.42
  5. Step 5: Solve for x
    x = 201,145,611,680.42/497,179.08
  6. Step 6: Final answer
    x = 404,573.76

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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.