Home / 1,411,375.28-1,947,687.39-766,800.77

Finding the Fourth Proportional to 1,411,375.28, 1,947,687.39 and 766,800.77

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Solution

The fourth proportional to 1,411,375.28, 1,947,687.39 and 766,800.77 is: 1,058,179.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,375.28 : 1,947,687.39 = 766,800.77 : x
  2. Step 2: Convert to fraction form
    1,411,375.28/1,947,687.39 = 766,800.77/x
  3. Step 3: Cross multiply
    1,411,375.28x = 1,947,687.39 × 766,800.77
  4. Step 4: Simplify right side
    1,411,375.28x = 1,493,488,180,632.85
  5. Step 5: Solve for x
    x = 1,493,488,180,632.85/1,411,375.28
  6. Step 6: Final answer
    x = 1,058,179.36

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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.