Home / 7,047,772.80-10,571,659.20-4,213,420.80

Finding the Fourth Proportional to 7,047,772.80, 10,571,659.20 and 4,213,420.80

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Solution

The fourth proportional to 7,047,772.80, 10,571,659.20 and 4,213,420.80 is: 6,320,131.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,047,772.80 : 10,571,659.20 = 4,213,420.80 : x
  2. Step 2: Convert to fraction form
    7,047,772.80/10,571,659.20 = 4,213,420.80/x
  3. Step 3: Cross multiply
    7,047,772.80x = 10,571,659.20 × 4,213,420.80
  4. Step 4: Simplify right side
    7,047,772.80x = 44,542,848,763,791.35
  5. Step 5: Solve for x
    x = 44,542,848,763,791.35/7,047,772.80
  6. Step 6: Final answer
    x = 6,320,131.20

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Double scale
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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.