Home / 625,366.11-938,039.27-198,895.79

Finding the Fourth Proportional to 625,366.11, 938,039.27 and 198,895.79

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Solution

The fourth proportional to 625,366.11, 938,039.27 and 198,895.79 is: 298,340.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,366.11 : 938,039.27 = 198,895.79 : x
  2. Step 2: Convert to fraction form
    625,366.11/938,039.27 = 198,895.79/x
  3. Step 3: Cross multiply
    625,366.11x = 938,039.27 × 198,895.79
  4. Step 4: Simplify right side
    625,366.11x = 186,572,055,973.00
  5. Step 5: Solve for x
    x = 186,572,055,973.00/625,366.11
  6. Step 6: Final answer
    x = 298,340.53

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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.