Home / 752,464.92-1,128,803.28-220,026

Finding the Fourth Proportional to 752,464.92, 1,128,803.28 and 220,026

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Solution

The fourth proportional to 752,464.92, 1,128,803.28 and 220,026 is: 330,069.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,464.92 : 1,128,803.28 = 220,026 : x
  2. Step 2: Convert to fraction form
    752,464.92/1,128,803.28 = 220,026/x
  3. Step 3: Cross multiply
    752,464.92x = 1,128,803.28 × 220,026
  4. Step 4: Simplify right side
    752,464.92x = 248,366,070,485.28
  5. Step 5: Solve for x
    x = 248,366,070,485.28/752,464.92
  6. Step 6: Final answer
    x = 330,069.97

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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.