Home / 752,568.84-1,128,966.84-220,023

Finding the Fourth Proportional to 752,568.84, 1,128,966.84 and 220,023

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Solution

The fourth proportional to 752,568.84, 1,128,966.84 and 220,023 is: 330,067.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,568.84 : 1,128,966.84 = 220,023 : x
  2. Step 2: Convert to fraction form
    752,568.84/1,128,966.84 = 220,023/x
  3. Step 3: Cross multiply
    752,568.84x = 1,128,966.84 × 220,023
  4. Step 4: Simplify right side
    752,568.84x = 248,398,671,037.32
  5. Step 5: Solve for x
    x = 248,398,671,037.32/752,568.84
  6. Step 6: Final answer
    x = 330,067.71

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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.