Home / 5,376,755.20-8,065,132.80-3,473,190.40

Finding the Fourth Proportional to 5,376,755.20, 8,065,132.80 and 3,473,190.40

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Solution

The fourth proportional to 5,376,755.20, 8,065,132.80 and 3,473,190.40 is: 5,209,785.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,376,755.20 : 8,065,132.80 = 3,473,190.40 : x
  2. Step 2: Convert to fraction form
    5,376,755.20/8,065,132.80 = 3,473,190.40/x
  3. Step 3: Cross multiply
    5,376,755.20x = 8,065,132.80 × 3,473,190.40
  4. Step 4: Simplify right side
    5,376,755.20x = 28,011,741,815,685.12
  5. Step 5: Solve for x
    x = 28,011,741,815,685.12/5,376,755.20
  6. Step 6: Final answer
    x = 5,209,785.60

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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.