Home / 4,856,461.20-7,284,691.80-1,490,230.80

Finding the Fourth Proportional to 4,856,461.20, 7,284,691.80 and 1,490,230.80

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Solution

The fourth proportional to 4,856,461.20, 7,284,691.80 and 1,490,230.80 is: 2,235,346.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,856,461.20 : 7,284,691.80 = 1,490,230.80 : x
  2. Step 2: Convert to fraction form
    4,856,461.20/7,284,691.80 = 1,490,230.80/x
  3. Step 3: Cross multiply
    4,856,461.20x = 7,284,691.80 × 1,490,230.80
  4. Step 4: Simplify right side
    4,856,461.20x = 10,855,872,088,867.44
  5. Step 5: Solve for x
    x = 10,855,872,088,867.44/4,856,461.20
  6. Step 6: Final answer
    x = 2,235,346.20

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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.