Home / 462,664.80-693,997.20-213,346.80

Finding the Fourth Proportional to 462,664.80, 693,997.20 and 213,346.80

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Solution

The fourth proportional to 462,664.80, 693,997.20 and 213,346.80 is: 320,020.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,664.80 : 693,997.20 = 213,346.80 : x
  2. Step 2: Convert to fraction form
    462,664.80/693,997.20 = 213,346.80/x
  3. Step 3: Cross multiply
    462,664.80x = 693,997.20 × 213,346.80
  4. Step 4: Simplify right side
    462,664.80x = 148,062,081,828.96
  5. Step 5: Solve for x
    x = 148,062,081,828.96/462,664.80
  6. Step 6: Final answer
    x = 320,020.20

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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.