Home / 6,645,090.40-9,967,635.60-4,519,326.40

Finding the Fourth Proportional to 6,645,090.40, 9,967,635.60 and 4,519,326.40

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Solution

The fourth proportional to 6,645,090.40, 9,967,635.60 and 4,519,326.40 is: 6,778,989.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,645,090.40 : 9,967,635.60 = 4,519,326.40 : x
  2. Step 2: Convert to fraction form
    6,645,090.40/9,967,635.60 = 4,519,326.40/x
  3. Step 3: Cross multiply
    6,645,090.40x = 9,967,635.60 × 4,519,326.40
  4. Step 4: Simplify right side
    6,645,090.40x = 45,046,998,712,659.84
  5. Step 5: Solve for x
    x = 45,046,998,712,659.84/6,645,090.40
  6. Step 6: Final answer
    x = 6,778,989.60

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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.