Home / 823,103.40-1,234,655.10-262,194.60

Finding the Fourth Proportional to 823,103.40, 1,234,655.10 and 262,194.60

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Solution

The fourth proportional to 823,103.40, 1,234,655.10 and 262,194.60 is: 393,291.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,103.40 : 1,234,655.10 = 262,194.60 : x
  2. Step 2: Convert to fraction form
    823,103.40/1,234,655.10 = 262,194.60/x
  3. Step 3: Cross multiply
    823,103.40x = 1,234,655.10 × 262,194.60
  4. Step 4: Simplify right side
    823,103.40x = 323,719,900,082.46
  5. Step 5: Solve for x
    x = 323,719,900,082.46/823,103.40
  6. Step 6: Final answer
    x = 393,291.90

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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.