Home / 1,363,309.80-1,881,371.26-819,756.88

Finding the Fourth Proportional to 1,363,309.80, 1,881,371.26 and 819,756.88

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Solution

The fourth proportional to 1,363,309.80, 1,881,371.26 and 819,756.88 is: 1,131,266.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363,309.80 : 1,881,371.26 = 819,756.88 : x
  2. Step 2: Convert to fraction form
    1,363,309.80/1,881,371.26 = 819,756.88/x
  3. Step 3: Cross multiply
    1,363,309.80x = 1,881,371.26 × 819,756.88
  4. Step 4: Simplify right side
    1,363,309.80x = 1,542,267,034,219.27
  5. Step 5: Solve for x
    x = 1,542,267,034,219.27/1,363,309.80
  6. Step 6: Final answer
    x = 1,131,266.74

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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.