Home / 783,806.78-1,176,233.44-285,170.78

Finding the Fourth Proportional to 783,806.78, 1,176,233.44 and 285,170.78

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Solution

The fourth proportional to 783,806.78, 1,176,233.44 and 285,170.78 is: 427,946.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,806.78 : 1,176,233.44 = 285,170.78 : x
  2. Step 2: Convert to fraction form
    783,806.78/1,176,233.44 = 285,170.78/x
  3. Step 3: Cross multiply
    783,806.78x = 1,176,233.44 × 285,170.78
  4. Step 4: Simplify right side
    783,806.78x = 335,427,407,546.88
  5. Step 5: Solve for x
    x = 335,427,407,546.88/783,806.78
  6. Step 6: Final answer
    x = 427,946.55

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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.