Home / 1,928,630.16-2,892,723.24-775,833.36

Finding the Fourth Proportional to 1,928,630.16, 2,892,723.24 and 775,833.36

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Solution

The fourth proportional to 1,928,630.16, 2,892,723.24 and 775,833.36 is: 1,163,660.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928,630.16 : 2,892,723.24 = 775,833.36 : x
  2. Step 2: Convert to fraction form
    1,928,630.16/2,892,723.24 = 775,833.36/x
  3. Step 3: Cross multiply
    1,928,630.16x = 2,892,723.24 × 775,833.36
  4. Step 4: Simplify right side
    1,928,630.16x = 2,244,271,190,839.29
  5. Step 5: Solve for x
    x = 2,244,271,190,839.29/1,928,630.16
  6. Step 6: Final answer
    x = 1,163,660.74

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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.