Home / 823,288.20-1,234,932.30-657,400.20

Finding the Fourth Proportional to 823,288.20, 1,234,932.30 and 657,400.20

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Solution

The fourth proportional to 823,288.20, 1,234,932.30 and 657,400.20 is: 986,100.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,288.20 : 1,234,932.30 = 657,400.20 : x
  2. Step 2: Convert to fraction form
    823,288.20/1,234,932.30 = 657,400.20/x
  3. Step 3: Cross multiply
    823,288.20x = 1,234,932.30 × 657,400.20
  4. Step 4: Simplify right side
    823,288.20x = 811,844,741,006.46
  5. Step 5: Solve for x
    x = 811,844,741,006.46/823,288.20
  6. Step 6: Final answer
    x = 986,100.30

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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.