Home / 823,906.20-1,235,859.30-507,336.60

Finding the Fourth Proportional to 823,906.20, 1,235,859.30 and 507,336.60

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Solution

The fourth proportional to 823,906.20, 1,235,859.30 and 507,336.60 is: 761,004.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,906.20 : 1,235,859.30 = 507,336.60 : x
  2. Step 2: Convert to fraction form
    823,906.20/1,235,859.30 = 507,336.60/x
  3. Step 3: Cross multiply
    823,906.20x = 1,235,859.30 × 507,336.60
  4. Step 4: Simplify right side
    823,906.20x = 626,996,655,340.38
  5. Step 5: Solve for x
    x = 626,996,655,340.38/823,906.20
  6. Step 6: Final answer
    x = 761,004.90

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Similar ratio
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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.