Home / 1,198,265.32-1,653,617.40-681,993.90

Finding the Fourth Proportional to 1,198,265.32, 1,653,617.40 and 681,993.90

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Solution

The fourth proportional to 1,198,265.32, 1,653,617.40 and 681,993.90 is: 941,157.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,265.32 : 1,653,617.40 = 681,993.90 : x
  2. Step 2: Convert to fraction form
    1,198,265.32/1,653,617.40 = 681,993.90/x
  3. Step 3: Cross multiply
    1,198,265.32x = 1,653,617.40 × 681,993.90
  4. Step 4: Simplify right side
    1,198,265.32x = 1,127,756,979,733.86
  5. Step 5: Solve for x
    x = 1,127,756,979,733.86/1,198,265.32
  6. Step 6: Final answer
    x = 941,157.99

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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.