Home / 348,003.10-522,004.65-214,450.30

Finding the Fourth Proportional to 348,003.10, 522,004.65 and 214,450.30

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Solution

The fourth proportional to 348,003.10, 522,004.65 and 214,450.30 is: 321,675.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,003.10 : 522,004.65 = 214,450.30 : x
  2. Step 2: Convert to fraction form
    348,003.10/522,004.65 = 214,450.30/x
  3. Step 3: Cross multiply
    348,003.10x = 522,004.65 × 214,450.30
  4. Step 4: Simplify right side
    348,003.10x = 111,944,053,793.90
  5. Step 5: Solve for x
    x = 111,944,053,793.90/348,003.10
  6. Step 6: Final answer
    x = 321,675.45

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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.