Home / 1,238,350.32-1,708,942.68-694,606.80

Finding the Fourth Proportional to 1,238,350.32, 1,708,942.68 and 694,606.80

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Solution

The fourth proportional to 1,238,350.32, 1,708,942.68 and 694,606.80 is: 958,568.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,350.32 : 1,708,942.68 = 694,606.80 : x
  2. Step 2: Convert to fraction form
    1,238,350.32/1,708,942.68 = 694,606.80/x
  3. Step 3: Cross multiply
    1,238,350.32x = 1,708,942.68 × 694,606.80
  4. Step 4: Simplify right side
    1,238,350.32x = 1,187,043,206,338.22
  5. Step 5: Solve for x
    x = 1,187,043,206,338.22/1,238,350.32
  6. Step 6: Final answer
    x = 958,568.18

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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.