Home / 1,517,785.64-2,094,544.90-838,722.12

Finding the Fourth Proportional to 1,517,785.64, 2,094,544.90 and 838,722.12

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Solution

The fourth proportional to 1,517,785.64, 2,094,544.90 and 838,722.12 is: 1,157,436.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517,785.64 : 2,094,544.90 = 838,722.12 : x
  2. Step 2: Convert to fraction form
    1,517,785.64/2,094,544.90 = 838,722.12/x
  3. Step 3: Cross multiply
    1,517,785.64x = 2,094,544.90 × 838,722.12
  4. Step 4: Simplify right side
    1,517,785.64x = 1,756,741,138,963.19
  5. Step 5: Solve for x
    x = 1,756,741,138,963.19/1,517,785.64
  6. Step 6: Final answer
    x = 1,157,436.92

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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.