Home / 4,880,146.20-7,320,219.30-3,620,434.20

Finding the Fourth Proportional to 4,880,146.20, 7,320,219.30 and 3,620,434.20

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Solution

The fourth proportional to 4,880,146.20, 7,320,219.30 and 3,620,434.20 is: 5,430,651.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,880,146.20 : 7,320,219.30 = 3,620,434.20 : x
  2. Step 2: Convert to fraction form
    4,880,146.20/7,320,219.30 = 3,620,434.20/x
  3. Step 3: Cross multiply
    4,880,146.20x = 7,320,219.30 × 3,620,434.20
  4. Step 4: Simplify right side
    4,880,146.20x = 26,502,372,305,220.06
  5. Step 5: Solve for x
    x = 26,502,372,305,220.06/4,880,146.20
  6. Step 6: Final answer
    x = 5,430,651.30

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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.