Home / 823,716.50-1,136,747.73-461,131.22

Finding the Fourth Proportional to 823,716.50, 1,136,747.73 and 461,131.22

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Solution

The fourth proportional to 823,716.50, 1,136,747.73 and 461,131.22 is: 636,371.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,716.50 : 1,136,747.73 = 461,131.22 : x
  2. Step 2: Convert to fraction form
    823,716.50/1,136,747.73 = 461,131.22/x
  3. Step 3: Cross multiply
    823,716.50x = 1,136,747.73 × 461,131.22
  4. Step 4: Simplify right side
    823,716.50x = 524,189,867,567.13
  5. Step 5: Solve for x
    x = 524,189,867,567.13/823,716.50
  6. Step 6: Final answer
    x = 636,371.70

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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.