Home / 1,165,028.11-1,606,910.60-777,648.22

Finding the Fourth Proportional to 1,165,028.11, 1,606,910.60 and 777,648.22

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Solution

The fourth proportional to 1,165,028.11, 1,606,910.60 and 777,648.22 is: 1,072,601.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,028.11 : 1,606,910.60 = 777,648.22 : x
  2. Step 2: Convert to fraction form
    1,165,028.11/1,606,910.60 = 777,648.22/x
  3. Step 3: Cross multiply
    1,165,028.11x = 1,606,910.60 × 777,648.22
  4. Step 4: Simplify right side
    1,165,028.11x = 1,249,611,155,866.34
  5. Step 5: Solve for x
    x = 1,249,611,155,866.34/1,165,028.11
  6. Step 6: Final answer
    x = 1,072,601.73

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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.