Home / 1,412,356.86-1,949,065.14-767,778.30

Finding the Fourth Proportional to 1,412,356.86, 1,949,065.14 and 767,778.30

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Solution

The fourth proportional to 1,412,356.86, 1,949,065.14 and 767,778.30 is: 1,059,540.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,356.86 : 1,949,065.14 = 767,778.30 : x
  2. Step 2: Convert to fraction form
    1,412,356.86/1,949,065.14 = 767,778.30/x
  3. Step 3: Cross multiply
    1,412,356.86x = 1,949,065.14 × 767,778.30
  4. Step 4: Simplify right side
    1,412,356.86x = 1,496,449,919,778.46
  5. Step 5: Solve for x
    x = 1,496,449,919,778.46/1,412,356.86
  6. Step 6: Final answer
    x = 1,059,540.94

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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.