Home / 823,676.77-1,136,665.26-461,103.61

Finding the Fourth Proportional to 823,676.77, 1,136,665.26 and 461,103.61

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Solution

The fourth proportional to 823,676.77, 1,136,665.26 and 461,103.61 is: 636,318.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,676.77 : 1,136,665.26 = 461,103.61 : x
  2. Step 2: Convert to fraction form
    823,676.77/1,136,665.26 = 461,103.61/x
  3. Step 3: Cross multiply
    823,676.77x = 1,136,665.26 × 461,103.61
  4. Step 4: Simplify right side
    823,676.77x = 524,120,454,747.59
  5. Step 5: Solve for x
    x = 524,120,454,747.59/823,676.77
  6. Step 6: Final answer
    x = 636,318.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.