Home / 879,410.20-1,319,115.30-214,562.20

Finding the Fourth Proportional to 879,410.20, 1,319,115.30 and 214,562.20

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Solution

The fourth proportional to 879,410.20, 1,319,115.30 and 214,562.20 is: 321,843.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,410.20 : 1,319,115.30 = 214,562.20 : x
  2. Step 2: Convert to fraction form
    879,410.20/1,319,115.30 = 214,562.20/x
  3. Step 3: Cross multiply
    879,410.20x = 1,319,115.30 × 214,562.20
  4. Step 4: Simplify right side
    879,410.20x = 283,032,280,821.66
  5. Step 5: Solve for x
    x = 283,032,280,821.66/879,410.20
  6. Step 6: Final answer
    x = 321,843.30

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Double scale
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Similar ratio
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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.