Home / 1,231,803.60-1,846,906.20-521,638.80

Finding the Fourth Proportional to 1,231,803.60, 1,846,906.20 and 521,638.80

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Solution

The fourth proportional to 1,231,803.60, 1,846,906.20 and 521,638.80 is: 782,119.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,803.60 : 1,846,906.20 = 521,638.80 : x
  2. Step 2: Convert to fraction form
    1,231,803.60/1,846,906.20 = 521,638.80/x
  3. Step 3: Cross multiply
    1,231,803.60x = 1,846,906.20 × 521,638.80
  4. Step 4: Simplify right side
    1,231,803.60x = 963,417,933,880.56
  5. Step 5: Solve for x
    x = 963,417,933,880.56/1,231,803.60
  6. Step 6: Final answer
    x = 782,119.76

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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.