Home / 472,340.07-708,784.44-198,766.11

Finding the Fourth Proportional to 472,340.07, 708,784.44 and 198,766.11

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Solution

The fourth proportional to 472,340.07, 708,784.44 and 198,766.11 is: 298,264.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,340.07 : 708,784.44 = 198,766.11 : x
  2. Step 2: Convert to fraction form
    472,340.07/708,784.44 = 198,766.11/x
  3. Step 3: Cross multiply
    472,340.07x = 708,784.44 × 198,766.11
  4. Step 4: Simplify right side
    472,340.07x = 140,882,325,967.33
  5. Step 5: Solve for x
    x = 140,882,325,967.33/472,340.07
  6. Step 6: Final answer
    x = 298,264.61

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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.