Home / 1,317,411.39-1,818,028.92-713,799.39

Finding the Fourth Proportional to 1,317,411.39, 1,818,028.92 and 713,799.39

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Solution

The fourth proportional to 1,317,411.39, 1,818,028.92 and 713,799.39 is: 985,043.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,411.39 : 1,818,028.92 = 713,799.39 : x
  2. Step 2: Convert to fraction form
    1,317,411.39/1,818,028.92 = 713,799.39/x
  3. Step 3: Cross multiply
    1,317,411.39x = 1,818,028.92 × 713,799.39
  4. Step 4: Simplify right side
    1,317,411.39x = 1,297,707,934,098.36
  5. Step 5: Solve for x
    x = 1,297,707,934,098.36/1,317,411.39
  6. Step 6: Final answer
    x = 985,043.81

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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.