Home / 392,623.40-541,833.44-218,200.95

Finding the Fourth Proportional to 392,623.40, 541,833.44 and 218,200.95

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Solution

The fourth proportional to 392,623.40, 541,833.44 and 218,200.95 is: 301,124.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,623.40 : 541,833.44 = 218,200.95 : x
  2. Step 2: Convert to fraction form
    392,623.40/541,833.44 = 218,200.95/x
  3. Step 3: Cross multiply
    392,623.40x = 541,833.44 × 218,200.95
  4. Step 4: Simplify right side
    392,623.40x = 118,228,570,258.76
  5. Step 5: Solve for x
    x = 118,228,570,258.76/392,623.40
  6. Step 6: Final answer
    x = 301,124.62

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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.