Home / 550,890.80-826,336.20-298,073.60

Finding the Fourth Proportional to 550,890.80, 826,336.20 and 298,073.60

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Solution

The fourth proportional to 550,890.80, 826,336.20 and 298,073.60 is: 447,110.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,890.80 : 826,336.20 = 298,073.60 : x
  2. Step 2: Convert to fraction form
    550,890.80/826,336.20 = 298,073.60/x
  3. Step 3: Cross multiply
    550,890.80x = 826,336.20 × 298,073.60
  4. Step 4: Simplify right side
    550,890.80x = 246,309,005,944.32
  5. Step 5: Solve for x
    x = 246,309,005,944.32/550,890.80
  6. Step 6: Final answer
    x = 447,110.40

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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.