Home / 483,825.45-667,719.50-268,985.51

Finding the Fourth Proportional to 483,825.45, 667,719.50 and 268,985.51

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Solution

The fourth proportional to 483,825.45, 667,719.50 and 268,985.51 is: 371,222.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,825.45 : 667,719.50 = 268,985.51 : x
  2. Step 2: Convert to fraction form
    483,825.45/667,719.50 = 268,985.51/x
  3. Step 3: Cross multiply
    483,825.45x = 667,719.50 × 268,985.51
  4. Step 4: Simplify right side
    483,825.45x = 179,606,865,560.92
  5. Step 5: Solve for x
    x = 179,606,865,560.92/483,825.45
  6. Step 6: Final answer
    x = 371,222.44

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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.