Home / 1,517,785.14-2,094,544.21-838,721.62

Finding the Fourth Proportional to 1,517,785.14, 2,094,544.21 and 838,721.62

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Solution

The fourth proportional to 1,517,785.14, 2,094,544.21 and 838,721.62 is: 1,157,436.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517,785.14 : 2,094,544.21 = 838,721.62 : x
  2. Step 2: Convert to fraction form
    1,517,785.14/2,094,544.21 = 838,721.62/x
  3. Step 3: Cross multiply
    1,517,785.14x = 2,094,544.21 × 838,721.62
  4. Step 4: Simplify right side
    1,517,785.14x = 1,756,739,512,972.82
  5. Step 5: Solve for x
    x = 1,756,739,512,972.82/1,517,785.14
  6. Step 6: Final answer
    x = 1,157,436.23

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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.