Home / 836,936-1,255,956.96-393,738.56

Finding the Fourth Proportional to 836,936, 1,255,956.96 and 393,738.56

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Solution

The fourth proportional to 836,936, 1,255,956.96 and 393,738.56 is: 590,867.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,936 : 1,255,956.96 = 393,738.56 : x
  2. Step 2: Convert to fraction form
    836,936/1,255,956.96 = 393,738.56/x
  3. Step 3: Cross multiply
    836,936x = 1,255,956.96 × 393,738.56
  4. Step 4: Simplify right side
    836,936x = 494,518,684,852.38
  5. Step 5: Solve for x
    x = 494,518,684,852.38/836,936
  6. Step 6: Final answer
    x = 590,867.98

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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.