Home / 1,694,663-2,541,992.16-432,490.60

Finding the Fourth Proportional to 1,694,663, 2,541,992.16 and 432,490.60

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Solution

The fourth proportional to 1,694,663, 2,541,992.16 and 432,490.60 is: 648,735.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,694,663 : 2,541,992.16 = 432,490.60 : x
  2. Step 2: Convert to fraction form
    1,694,663/2,541,992.16 = 432,490.60/x
  3. Step 3: Cross multiply
    1,694,663x = 2,541,992.16 × 432,490.60
  4. Step 4: Simplify right side
    1,694,663x = 1,099,387,714,473.70
  5. Step 5: Solve for x
    x = 1,099,387,714,473.70/1,694,663
  6. Step 6: Final answer
    x = 648,735.30

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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.