Home / 499,229.16-688,936.58-272,874.64

Finding the Fourth Proportional to 499,229.16, 688,936.58 and 272,874.64

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Solution

The fourth proportional to 499,229.16, 688,936.58 and 272,874.64 is: 376,567.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,229.16 : 688,936.58 = 272,874.64 : x
  2. Step 2: Convert to fraction form
    499,229.16/688,936.58 = 272,874.64/x
  3. Step 3: Cross multiply
    499,229.16x = 688,936.58 × 272,874.64
  4. Step 4: Simplify right side
    499,229.16x = 187,993,321,250.33
  5. Step 5: Solve for x
    x = 187,993,321,250.33/499,229.16
  6. Step 6: Final answer
    x = 376,567.19

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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.