Home / 810,194.64-1,215,439.58-277,769.49

Finding the Fourth Proportional to 810,194.64, 1,215,439.58 and 277,769.49

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Solution

The fourth proportional to 810,194.64, 1,215,439.58 and 277,769.49 is: 416,704.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,194.64 : 1,215,439.58 = 277,769.49 : x
  2. Step 2: Convert to fraction form
    810,194.64/1,215,439.58 = 277,769.49/x
  3. Step 3: Cross multiply
    810,194.64x = 1,215,439.58 × 277,769.49
  4. Step 4: Simplify right side
    810,194.64x = 337,612,032,262.41
  5. Step 5: Solve for x
    x = 337,612,032,262.41/810,194.64
  6. Step 6: Final answer
    x = 416,704.85

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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.