Home / 823,664.94-1,236,294.36-397,500.75

Finding the Fourth Proportional to 823,664.94, 1,236,294.36 and 397,500.75

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Solution

The fourth proportional to 823,664.94, 1,236,294.36 and 397,500.75 is: 596,635.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,664.94 : 1,236,294.36 = 397,500.75 : x
  2. Step 2: Convert to fraction form
    823,664.94/1,236,294.36 = 397,500.75/x
  3. Step 3: Cross multiply
    823,664.94x = 1,236,294.36 × 397,500.75
  4. Step 4: Simplify right side
    823,664.94x = 491,427,935,320.77
  5. Step 5: Solve for x
    x = 491,427,935,320.77/823,664.94
  6. Step 6: Final answer
    x = 596,635.73

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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.