Home / 836,851.89-1,255,266.90-205,771.17

Finding the Fourth Proportional to 836,851.89, 1,255,266.90 and 205,771.17

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Solution

The fourth proportional to 836,851.89, 1,255,266.90 and 205,771.17 is: 308,654.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,851.89 : 1,255,266.90 = 205,771.17 : x
  2. Step 2: Convert to fraction form
    836,851.89/1,255,266.90 = 205,771.17/x
  3. Step 3: Cross multiply
    836,851.89x = 1,255,266.90 × 205,771.17
  4. Step 4: Simplify right side
    836,851.89x = 258,297,738,675.27
  5. Step 5: Solve for x
    x = 258,297,738,675.27/836,851.89
  6. Step 6: Final answer
    x = 308,654.07

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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.