Home / 418,050.36-576,915.66-236,757.78

Finding the Fourth Proportional to 418,050.36, 576,915.66 and 236,757.78

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Solution

The fourth proportional to 418,050.36, 576,915.66 and 236,757.78 is: 326,729.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,050.36 : 576,915.66 = 236,757.78 : x
  2. Step 2: Convert to fraction form
    418,050.36/576,915.66 = 236,757.78/x
  3. Step 3: Cross multiply
    418,050.36x = 576,915.66 × 236,757.78
  4. Step 4: Simplify right side
    418,050.36x = 136,589,270,908.84
  5. Step 5: Solve for x
    x = 136,589,270,908.84/418,050.36
  6. Step 6: Final answer
    x = 326,729.23

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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.