Home / 823,163.60-1,234,630.20-262,254.80

Finding the Fourth Proportional to 823,163.60, 1,234,630.20 and 262,254.80

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Solution

The fourth proportional to 823,163.60, 1,234,630.20 and 262,254.80 is: 393,345.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,163.60 : 1,234,630.20 = 262,254.80 : x
  2. Step 2: Convert to fraction form
    823,163.60/1,234,630.20 = 262,254.80/x
  3. Step 3: Cross multiply
    823,163.60x = 1,234,630.20 × 262,254.80
  4. Step 4: Simplify right side
    823,163.60x = 323,787,696,174.96
  5. Step 5: Solve for x
    x = 323,787,696,174.96/823,163.60
  6. Step 6: Final answer
    x = 393,345.50

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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.