Home / 7,261,707.60-10,892,561.40-3,280,395.60

Finding the Fourth Proportional to 7,261,707.60, 10,892,561.40 and 3,280,395.60

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Solution

The fourth proportional to 7,261,707.60, 10,892,561.40 and 3,280,395.60 is: 4,920,593.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261,707.60 : 10,892,561.40 = 3,280,395.60 : x
  2. Step 2: Convert to fraction form
    7,261,707.60/10,892,561.40 = 3,280,395.60/x
  3. Step 3: Cross multiply
    7,261,707.60x = 10,892,561.40 × 3,280,395.60
  4. Step 4: Simplify right side
    7,261,707.60x = 35,731,910,489,289.84
  5. Step 5: Solve for x
    x = 35,731,910,489,289.84/7,261,707.60
  6. Step 6: Final answer
    x = 4,920,593.40

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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.