Home / 823,900.20-1,233,776.70-541,890.60

Finding the Fourth Proportional to 823,900.20, 1,233,776.70 and 541,890.60

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Solution

The fourth proportional to 823,900.20, 1,233,776.70 and 541,890.60 is: 811,472.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,900.20 : 1,233,776.70 = 541,890.60 : x
  2. Step 2: Convert to fraction form
    823,900.20/1,233,776.70 = 541,890.60/x
  3. Step 3: Cross multiply
    823,900.20x = 1,233,776.70 × 541,890.60
  4. Step 4: Simplify right side
    823,900.20x = 668,571,996,229.02
  5. Step 5: Solve for x
    x = 668,571,996,229.02/823,900.20
  6. Step 6: Final answer
    x = 811,472.06

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1.5x scale

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.