Home / 836,701.80-1,253,670.30-712,285.80

Finding the Fourth Proportional to 836,701.80, 1,253,670.30 and 712,285.80

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Solution

The fourth proportional to 836,701.80, 1,253,670.30 and 712,285.80 is: 1,067,251.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,701.80 : 1,253,670.30 = 712,285.80 : x
  2. Step 2: Convert to fraction form
    836,701.80/1,253,670.30 = 712,285.80/x
  3. Step 3: Cross multiply
    836,701.80x = 1,253,670.30 × 712,285.80
  4. Step 4: Simplify right side
    836,701.80x = 892,971,552,571.74
  5. Step 5: Solve for x
    x = 892,971,552,571.74/836,701.80
  6. Step 6: Final answer
    x = 1,067,251.86

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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.