Home / 625,955.96-938,986.46-199,552.36

Finding the Fourth Proportional to 625,955.96, 938,986.46 and 199,552.36

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Solution

The fourth proportional to 625,955.96, 938,986.46 and 199,552.36 is: 299,345.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,955.96 : 938,986.46 = 199,552.36 : x
  2. Step 2: Convert to fraction form
    625,955.96/938,986.46 = 199,552.36/x
  3. Step 3: Cross multiply
    625,955.96x = 938,986.46 × 199,552.36
  4. Step 4: Simplify right side
    625,955.96x = 187,376,964,101.05
  5. Step 5: Solve for x
    x = 187,376,964,101.05/625,955.96
  6. Step 6: Final answer
    x = 299,345.28

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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.