Home / 510,926.40-766,470.60-173,998.80

Finding the Fourth Proportional to 510,926.40, 766,470.60 and 173,998.80

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Solution

The fourth proportional to 510,926.40, 766,470.60 and 173,998.80 is: 261,025.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,926.40 : 766,470.60 = 173,998.80 : x
  2. Step 2: Convert to fraction form
    510,926.40/766,470.60 = 173,998.80/x
  3. Step 3: Cross multiply
    510,926.40x = 766,470.60 × 173,998.80
  4. Step 4: Simplify right side
    510,926.40x = 133,364,964,635.28
  5. Step 5: Solve for x
    x = 133,364,964,635.28/510,926.40
  6. Step 6: Final answer
    x = 261,025.78

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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.