Home / 823,616.80-1,136,508.24-461,017.12

Finding the Fourth Proportional to 823,616.80, 1,136,508.24 and 461,017.12

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Solution

The fourth proportional to 823,616.80, 1,136,508.24 and 461,017.12 is: 636,157.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,616.80 : 1,136,508.24 = 461,017.12 : x
  2. Step 2: Convert to fraction form
    823,616.80/1,136,508.24 = 461,017.12/x
  3. Step 3: Cross multiply
    823,616.80x = 1,136,508.24 × 461,017.12
  4. Step 4: Simplify right side
    823,616.80x = 523,949,755,661.07
  5. Step 5: Solve for x
    x = 523,949,755,661.07/823,616.80
  6. Step 6: Final answer
    x = 636,157.20

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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.