Home / 499,148.94-688,825.75-272,794.44

Finding the Fourth Proportional to 499,148.94, 688,825.75 and 272,794.44

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Solution

The fourth proportional to 499,148.94, 688,825.75 and 272,794.44 is: 376,456.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,148.94 : 688,825.75 = 272,794.44 : x
  2. Step 2: Convert to fraction form
    499,148.94/688,825.75 = 272,794.44/x
  3. Step 3: Cross multiply
    499,148.94x = 688,825.75 × 272,794.44
  4. Step 4: Simplify right side
    499,148.94x = 187,907,834,728.83
  5. Step 5: Solve for x
    x = 187,907,834,728.83/499,148.94
  6. Step 6: Final answer
    x = 376,456.44

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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.