Home / 823,824.32-1,136,823.66-461,244.80

Finding the Fourth Proportional to 823,824.32, 1,136,823.66 and 461,244.80

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Solution

The fourth proportional to 823,824.32, 1,136,823.66 and 461,244.80 is: 636,487.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,824.32 : 1,136,823.66 = 461,244.80 : x
  2. Step 2: Convert to fraction form
    823,824.32/1,136,823.66 = 461,244.80/x
  3. Step 3: Cross multiply
    823,824.32x = 1,136,823.66 × 461,244.80
  4. Step 4: Simplify right side
    823,824.32x = 524,354,001,691.97
  5. Step 5: Solve for x
    x = 524,354,001,691.97/823,824.32
  6. Step 6: Final answer
    x = 636,487.65

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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.