Home / 1,412,783.80-1,949,614.06-768,198.36

Finding the Fourth Proportional to 1,412,783.80, 1,949,614.06 and 768,198.36

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Solution

The fourth proportional to 1,412,783.80, 1,949,614.06 and 768,198.36 is: 1,060,098.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,783.80 : 1,949,614.06 = 768,198.36 : x
  2. Step 2: Convert to fraction form
    1,412,783.80/1,949,614.06 = 768,198.36/x
  3. Step 3: Cross multiply
    1,412,783.80x = 1,949,614.06 × 768,198.36
  4. Step 4: Simplify right side
    1,412,783.80x = 1,497,690,323,524.94
  5. Step 5: Solve for x
    x = 1,497,690,323,524.94/1,412,783.80
  6. Step 6: Final answer
    x = 1,060,098.74

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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.