Home / 1,589,661.25-2,193,711.89-864,493.53

Finding the Fourth Proportional to 1,589,661.25, 2,193,711.89 and 864,493.53

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Solution

The fourth proportional to 1,589,661.25, 2,193,711.89 and 864,493.53 is: 1,192,989.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,589,661.25 : 2,193,711.89 = 864,493.53 : x
  2. Step 2: Convert to fraction form
    1,589,661.25/2,193,711.89 = 864,493.53/x
  3. Step 3: Cross multiply
    1,589,661.25x = 2,193,711.89 × 864,493.53
  4. Step 4: Simplify right side
    1,589,661.25x = 1,896,449,735,288.51
  5. Step 5: Solve for x
    x = 1,896,449,735,288.51/1,589,661.25
  6. Step 6: Final answer
    x = 1,192,989.85

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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.