Home / 836,546.32-1,253,942.24-409,493.28

Finding the Fourth Proportional to 836,546.32, 1,253,942.24 and 409,493.28

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Solution

The fourth proportional to 836,546.32, 1,253,942.24 and 409,493.28 is: 613,810.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,546.32 : 1,253,942.24 = 409,493.28 : x
  2. Step 2: Convert to fraction form
    836,546.32/1,253,942.24 = 409,493.28/x
  3. Step 3: Cross multiply
    836,546.32x = 1,253,942.24 × 409,493.28
  4. Step 4: Simplify right side
    836,546.32x = 513,480,920,788.15
  5. Step 5: Solve for x
    x = 513,480,920,788.15/836,546.32
  6. Step 6: Final answer
    x = 613,810.51

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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.