Home / 1,317,361.62-1,817,959.23-713,749.62

Finding the Fourth Proportional to 1,317,361.62, 1,817,959.23 and 713,749.62

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Solution

The fourth proportional to 1,317,361.62, 1,817,959.23 and 713,749.62 is: 984,974.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,361.62 : 1,817,959.23 = 713,749.62 : x
  2. Step 2: Convert to fraction form
    1,317,361.62/1,817,959.23 = 713,749.62/x
  3. Step 3: Cross multiply
    1,317,361.62x = 1,817,959.23 × 713,749.62
  4. Step 4: Simplify right side
    1,317,361.62x = 1,297,567,709,587.99
  5. Step 5: Solve for x
    x = 1,297,567,709,587.99/1,317,361.62
  6. Step 6: Final answer
    x = 984,974.58

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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.