Home / 1,191,092.32-1,643,716.45-647,231.04

Finding the Fourth Proportional to 1,191,092.32, 1,643,716.45 and 647,231.04

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Solution

The fourth proportional to 1,191,092.32, 1,643,716.45 and 647,231.04 is: 893,183.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,092.32 : 1,643,716.45 = 647,231.04 : x
  2. Step 2: Convert to fraction form
    1,191,092.32/1,643,716.45 = 647,231.04/x
  3. Step 3: Cross multiply
    1,191,092.32x = 1,643,716.45 × 647,231.04
  4. Step 4: Simplify right side
    1,191,092.32x = 1,063,864,299,616.59
  5. Step 5: Solve for x
    x = 1,063,864,299,616.59/1,191,092.32
  6. Step 6: Final answer
    x = 893,183.75

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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.