Home / 6,646,133.60-9,969,200.40-4,252,680.80

Finding the Fourth Proportional to 6,646,133.60, 9,969,200.40 and 4,252,680.80

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Solution

The fourth proportional to 6,646,133.60, 9,969,200.40 and 4,252,680.80 is: 6,379,021.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,646,133.60 : 9,969,200.40 = 4,252,680.80 : x
  2. Step 2: Convert to fraction form
    6,646,133.60/9,969,200.40 = 4,252,680.80/x
  3. Step 3: Cross multiply
    6,646,133.60x = 9,969,200.40 × 4,252,680.80
  4. Step 4: Simplify right side
    6,646,133.60x = 42,395,827,132,432.32
  5. Step 5: Solve for x
    x = 42,395,827,132,432.32/6,646,133.60
  6. Step 6: Final answer
    x = 6,379,021.20

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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.