Home / 1,256,716.27-1,734,216.64-683,758.72

Finding the Fourth Proportional to 1,256,716.27, 1,734,216.64 and 683,758.72

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Solution

The fourth proportional to 1,256,716.27, 1,734,216.64 and 683,758.72 is: 943,558.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,716.27 : 1,734,216.64 = 683,758.72 : x
  2. Step 2: Convert to fraction form
    1,256,716.27/1,734,216.64 = 683,758.72/x
  3. Step 3: Cross multiply
    1,256,716.27x = 1,734,216.64 × 683,758.72
  4. Step 4: Simplify right side
    1,256,716.27x = 1,185,785,749,969.10
  5. Step 5: Solve for x
    x = 1,185,785,749,969.10/1,256,716.27
  6. Step 6: Final answer
    x = 943,558.84

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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.