Home / 1,639,399.16-2,262,366.44-914,247.68

Finding the Fourth Proportional to 1,639,399.16, 2,262,366.44 and 914,247.68

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Solution

The fourth proportional to 1,639,399.16, 2,262,366.44 and 914,247.68 is: 1,261,659.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,399.16 : 2,262,366.44 = 914,247.68 : x
  2. Step 2: Convert to fraction form
    1,639,399.16/2,262,366.44 = 914,247.68/x
  3. Step 3: Cross multiply
    1,639,399.16x = 2,262,366.44 × 914,247.68
  4. Step 4: Simplify right side
    1,639,399.16x = 2,068,363,257,768.03
  5. Step 5: Solve for x
    x = 2,068,363,257,768.03/1,639,399.16
  6. Step 6: Final answer
    x = 1,261,659.34

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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.