Home / 1,182,194.96-1,631,439.46-672,930.12

Finding the Fourth Proportional to 1,182,194.96, 1,631,439.46 and 672,930.12

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Solution

The fourth proportional to 1,182,194.96, 1,631,439.46 and 672,930.12 is: 928,649.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,194.96 : 1,631,439.46 = 672,930.12 : x
  2. Step 2: Convert to fraction form
    1,182,194.96/1,631,439.46 = 672,930.12/x
  3. Step 3: Cross multiply
    1,182,194.96x = 1,631,439.46 × 672,930.12
  4. Step 4: Simplify right side
    1,182,194.96x = 1,097,844,751,590.54
  5. Step 5: Solve for x
    x = 1,097,844,751,590.54/1,182,194.96
  6. Step 6: Final answer
    x = 928,649.49

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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.