Home / 499,197.33-688,882.19-272,844.45

Finding the Fourth Proportional to 499,197.33, 688,882.19 and 272,844.45

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Solution

The fourth proportional to 499,197.33, 688,882.19 and 272,844.45 is: 376,519.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,197.33 : 688,882.19 = 272,844.45 : x
  2. Step 2: Convert to fraction form
    499,197.33/688,882.19 = 272,844.45/x
  3. Step 3: Cross multiply
    499,197.33x = 688,882.19 × 272,844.45
  4. Step 4: Simplify right side
    499,197.33x = 187,957,680,881.12
  5. Step 5: Solve for x
    x = 187,957,680,881.12/499,197.33
  6. Step 6: Final answer
    x = 376,519.80

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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.