Home / 1,040,916.76-1,435,891.26-718,795.96

Finding the Fourth Proportional to 1,040,916.76, 1,435,891.26 and 718,795.96

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Solution

The fourth proportional to 1,040,916.76, 1,435,891.26 and 718,795.96 is: 991,542.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,916.76 : 1,435,891.26 = 718,795.96 : x
  2. Step 2: Convert to fraction form
    1,040,916.76/1,435,891.26 = 718,795.96/x
  3. Step 3: Cross multiply
    1,040,916.76x = 1,435,891.26 × 718,795.96
  4. Step 4: Simplify right side
    1,040,916.76x = 1,032,112,836,687.31
  5. Step 5: Solve for x
    x = 1,032,112,836,687.31/1,040,916.76
  6. Step 6: Final answer
    x = 991,542.14

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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.