Home / 998,641.12-1,497,744.23-269,147.31

Finding the Fourth Proportional to 998,641.12, 1,497,744.23 and 269,147.31

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Solution

The fourth proportional to 998,641.12, 1,497,744.23 and 269,147.31 is: 403,662.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,641.12 : 1,497,744.23 = 269,147.31 : x
  2. Step 2: Convert to fraction form
    998,641.12/1,497,744.23 = 269,147.31/x
  3. Step 3: Cross multiply
    998,641.12x = 1,497,744.23 × 269,147.31
  4. Step 4: Simplify right side
    998,641.12x = 403,113,825,502.67
  5. Step 5: Solve for x
    x = 403,113,825,502.67/998,641.12
  6. Step 6: Final answer
    x = 403,662.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.