Home / 1,256,715.78-1,734,215.94-683,758.22

Finding the Fourth Proportional to 1,256,715.78, 1,734,215.94 and 683,758.22

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Solution

The fourth proportional to 1,256,715.78, 1,734,215.94 and 683,758.22 is: 943,558.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,715.78 : 1,734,215.94 = 683,758.22 : x
  2. Step 2: Convert to fraction form
    1,256,715.78/1,734,215.94 = 683,758.22/x
  3. Step 3: Cross multiply
    1,256,715.78x = 1,734,215.94 × 683,758.22
  4. Step 4: Simplify right side
    1,256,715.78x = 1,185,784,404,230.03
  5. Step 5: Solve for x
    x = 1,185,784,404,230.03/1,256,715.78
  6. Step 6: Final answer
    x = 943,558.14

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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.