Home / 1,255,687.20-1,883,530.80-414,129.60

Finding the Fourth Proportional to 1,255,687.20, 1,883,530.80 and 414,129.60

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Solution

The fourth proportional to 1,255,687.20, 1,883,530.80 and 414,129.60 is: 621,194.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,687.20 : 1,883,530.80 = 414,129.60 : x
  2. Step 2: Convert to fraction form
    1,255,687.20/1,883,530.80 = 414,129.60/x
  3. Step 3: Cross multiply
    1,255,687.20x = 1,883,530.80 × 414,129.60
  4. Step 4: Simplify right side
    1,255,687.20x = 780,025,856,791.68
  5. Step 5: Solve for x
    x = 780,025,856,791.68/1,255,687.20
  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.