Home / 729,864.20-1,094,796.30-688,529.90

Finding the Fourth Proportional to 729,864.20, 1,094,796.30 and 688,529.90

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Solution

The fourth proportional to 729,864.20, 1,094,796.30 and 688,529.90 is: 1,032,794.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,864.20 : 1,094,796.30 = 688,529.90 : x
  2. Step 2: Convert to fraction form
    729,864.20/1,094,796.30 = 688,529.90/x
  3. Step 3: Cross multiply
    729,864.20x = 1,094,796.30 × 688,529.90
  4. Step 4: Simplify right side
    729,864.20x = 753,799,986,959.37
  5. Step 5: Solve for x
    x = 753,799,986,959.37/729,864.20
  6. Step 6: Final answer
    x = 1,032,794.85

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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.