Home / 1,377,933.20-1,901,611.11-766,148.80

Finding the Fourth Proportional to 1,377,933.20, 1,901,611.11 and 766,148.80

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Solution

The fourth proportional to 1,377,933.20, 1,901,611.11 and 766,148.80 is: 1,057,320.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,933.20 : 1,901,611.11 = 766,148.80 : x
  2. Step 2: Convert to fraction form
    1,377,933.20/1,901,611.11 = 766,148.80/x
  3. Step 3: Cross multiply
    1,377,933.20x = 1,901,611.11 × 766,148.80
  4. Step 4: Simplify right side
    1,377,933.20x = 1,456,917,069,993.17
  5. Step 5: Solve for x
    x = 1,456,917,069,993.17/1,377,933.20
  6. Step 6: Final answer
    x = 1,057,320.54

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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.