Home / 445,844.10-667,624.35-245,942.28

Finding the Fourth Proportional to 445,844.10, 667,624.35 and 245,942.28

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Solution

The fourth proportional to 445,844.10, 667,624.35 and 245,942.28 is: 368,283.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,844.10 : 667,624.35 = 245,942.28 : x
  2. Step 2: Convert to fraction form
    445,844.10/667,624.35 = 245,942.28/x
  3. Step 3: Cross multiply
    445,844.10x = 667,624.35 × 245,942.28
  4. Step 4: Simplify right side
    445,844.10x = 164,197,054,822.52
  5. Step 5: Solve for x
    x = 164,197,054,822.52/445,844.10
  6. Step 6: Final answer
    x = 368,283.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.