Home / 940,801.20-1,411,201.80-443,137.20

Finding the Fourth Proportional to 940,801.20, 1,411,201.80 and 443,137.20

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Solution

The fourth proportional to 940,801.20, 1,411,201.80 and 443,137.20 is: 664,705.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,801.20 : 1,411,201.80 = 443,137.20 : x
  2. Step 2: Convert to fraction form
    940,801.20/1,411,201.80 = 443,137.20/x
  3. Step 3: Cross multiply
    940,801.20x = 1,411,201.80 × 443,137.20
  4. Step 4: Simplify right side
    940,801.20x = 625,356,014,286.96
  5. Step 5: Solve for x
    x = 625,356,014,286.96/940,801.20
  6. Step 6: Final answer
    x = 664,705.80

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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.