Home / 1,557,919.64-2,149,935.57-842,527.64

Finding the Fourth Proportional to 1,557,919.64, 2,149,935.57 and 842,527.64

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Solution

The fourth proportional to 1,557,919.64, 2,149,935.57 and 842,527.64 is: 1,162,691.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,919.64 : 2,149,935.57 = 842,527.64 : x
  2. Step 2: Convert to fraction form
    1,557,919.64/2,149,935.57 = 842,527.64/x
  3. Step 3: Cross multiply
    1,557,919.64x = 2,149,935.57 × 842,527.64
  4. Step 4: Simplify right side
    1,557,919.64x = 1,811,380,141,944.15
  5. Step 5: Solve for x
    x = 1,811,380,141,944.15/1,557,919.64
  6. Step 6: Final answer
    x = 1,162,691.64

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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.