Home / 770,217.50-1,062,818.38-425,998.73

Finding the Fourth Proportional to 770,217.50, 1,062,818.38 and 425,998.73

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Solution

The fourth proportional to 770,217.50, 1,062,818.38 and 425,998.73 is: 587,833.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,217.50 : 1,062,818.38 = 425,998.73 : x
  2. Step 2: Convert to fraction form
    770,217.50/1,062,818.38 = 425,998.73/x
  3. Step 3: Cross multiply
    770,217.50x = 1,062,818.38 × 425,998.73
  4. Step 4: Simplify right side
    770,217.50x = 452,759,280,100.66
  5. Step 5: Solve for x
    x = 452,759,280,100.66/770,217.50
  6. Step 6: Final answer
    x = 587,833.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.