Home / 493,282.20-739,923.30-193,663.20

Finding the Fourth Proportional to 493,282.20, 739,923.30 and 193,663.20

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Solution

The fourth proportional to 493,282.20, 739,923.30 and 193,663.20 is: 290,494.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,282.20 : 739,923.30 = 193,663.20 : x
  2. Step 2: Convert to fraction form
    493,282.20/739,923.30 = 193,663.20/x
  3. Step 3: Cross multiply
    493,282.20x = 739,923.30 × 193,663.20
  4. Step 4: Simplify right side
    493,282.20x = 143,295,914,032.56
  5. Step 5: Solve for x
    x = 143,295,914,032.56/493,282.20
  6. Step 6: Final answer
    x = 290,494.80

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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.