Home / 824,523.40-1,236,785.10-682,805.80

Finding the Fourth Proportional to 824,523.40, 1,236,785.10 and 682,805.80

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Solution

The fourth proportional to 824,523.40, 1,236,785.10 and 682,805.80 is: 1,024,208.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,523.40 : 1,236,785.10 = 682,805.80 : x
  2. Step 2: Convert to fraction form
    824,523.40/1,236,785.10 = 682,805.80/x
  3. Step 3: Cross multiply
    824,523.40x = 1,236,785.10 × 682,805.80
  4. Step 4: Simplify right side
    824,523.40x = 844,484,039,633.58
  5. Step 5: Solve for x
    x = 844,484,039,633.58/824,523.40
  6. Step 6: Final answer
    x = 1,024,208.70

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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.