Home / 823,560.54-1,136,351.97-517,459.59

Finding the Fourth Proportional to 823,560.54, 1,136,351.97 and 517,459.59

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Solution

The fourth proportional to 823,560.54, 1,136,351.97 and 517,459.59 is: 713,992.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,560.54 : 1,136,351.97 = 517,459.59 : x
  2. Step 2: Convert to fraction form
    823,560.54/1,136,351.97 = 517,459.59/x
  3. Step 3: Cross multiply
    823,560.54x = 1,136,351.97 × 517,459.59
  4. Step 4: Simplify right side
    823,560.54x = 588,016,224,491.89
  5. Step 5: Solve for x
    x = 588,016,224,491.89/823,560.54
  6. Step 6: Final answer
    x = 713,992.71

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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.