Home / 752,466.92-1,128,806.28-220,028

Finding the Fourth Proportional to 752,466.92, 1,128,806.28 and 220,028

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Solution

The fourth proportional to 752,466.92, 1,128,806.28 and 220,028 is: 330,072.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,466.92 : 1,128,806.28 = 220,028 : x
  2. Step 2: Convert to fraction form
    752,466.92/1,128,806.28 = 220,028/x
  3. Step 3: Cross multiply
    752,466.92x = 1,128,806.28 × 220,028
  4. Step 4: Simplify right side
    752,466.92x = 248,368,988,175.84
  5. Step 5: Solve for x
    x = 248,368,988,175.84/752,466.92
  6. Step 6: Final answer
    x = 330,072.97

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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.