Home / 548,848.80-823,273.20-414,129.60

Finding the Fourth Proportional to 548,848.80, 823,273.20 and 414,129.60

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Solution

The fourth proportional to 548,848.80, 823,273.20 and 414,129.60 is: 621,194.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,848.80 : 823,273.20 = 414,129.60 : x
  2. Step 2: Convert to fraction form
    548,848.80/823,273.20 = 414,129.60/x
  3. Step 3: Cross multiply
    548,848.80x = 823,273.20 × 414,129.60
  4. Step 4: Simplify right side
    548,848.80x = 340,941,801,006.72
  5. Step 5: Solve for x
    x = 340,941,801,006.72/548,848.80
  6. Step 6: Final answer
    x = 621,194.40

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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.