Home / 810,571.66-1,215,878.33-384,007.57

Finding the Fourth Proportional to 810,571.66, 1,215,878.33 and 384,007.57

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Solution

The fourth proportional to 810,571.66, 1,215,878.33 and 384,007.57 is: 576,021.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,571.66 : 1,215,878.33 = 384,007.57 : x
  2. Step 2: Convert to fraction form
    810,571.66/1,215,878.33 = 384,007.57/x
  3. Step 3: Cross multiply
    810,571.66x = 1,215,878.33 × 384,007.57
  4. Step 4: Simplify right side
    810,571.66x = 466,906,480,839.28
  5. Step 5: Solve for x
    x = 466,906,480,839.28/810,571.66
  6. Step 6: Final answer
    x = 576,021.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.