Home / 1,412,231.34-1,949,162.22-839,160.66

Finding the Fourth Proportional to 1,412,231.34, 1,949,162.22 and 839,160.66

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Solution

The fourth proportional to 1,412,231.34, 1,949,162.22 and 839,160.66 is: 1,158,209.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,231.34 : 1,949,162.22 = 839,160.66 : x
  2. Step 2: Convert to fraction form
    1,412,231.34/1,949,162.22 = 839,160.66/x
  3. Step 3: Cross multiply
    1,412,231.34x = 1,949,162.22 × 839,160.66
  4. Step 4: Simplify right side
    1,412,231.34x = 1,635,660,254,982.27
  5. Step 5: Solve for x
    x = 1,635,660,254,982.27/1,412,231.34
  6. Step 6: Final answer
    x = 1,158,209.85

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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.