Home / 6,645,653.45-9,968,480.18-3,286,421.45

Finding the Fourth Proportional to 6,645,653.45, 9,968,480.18 and 3,286,421.45

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Solution

The fourth proportional to 6,645,653.45, 9,968,480.18 and 3,286,421.45 is: 4,929,632.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,645,653.45 : 9,968,480.18 = 3,286,421.45 : x
  2. Step 2: Convert to fraction form
    6,645,653.45/9,968,480.18 = 3,286,421.45/x
  3. Step 3: Cross multiply
    6,645,653.45x = 9,968,480.18 × 3,286,421.45
  4. Step 4: Simplify right side
    6,645,653.45x = 32,760,627,087,451.86
  5. Step 5: Solve for x
    x = 32,760,627,087,451.86/6,645,653.45
  6. Step 6: Final answer
    x = 4,929,632.18

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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.