Home / 823,939.20-1,235,908.80-292,060.80

Finding the Fourth Proportional to 823,939.20, 1,235,908.80 and 292,060.80

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Solution

The fourth proportional to 823,939.20, 1,235,908.80 and 292,060.80 is: 438,091.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,939.20 : 1,235,908.80 = 292,060.80 : x
  2. Step 2: Convert to fraction form
    823,939.20/1,235,908.80 = 292,060.80/x
  3. Step 3: Cross multiply
    823,939.20x = 1,235,908.80 × 292,060.80
  4. Step 4: Simplify right side
    823,939.20x = 360,960,512,855.04
  5. Step 5: Solve for x
    x = 360,960,512,855.04/823,939.20
  6. Step 6: Final answer
    x = 438,091.20

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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.