Home / 827,152.20-1,240,728.30-295,273.80

Finding the Fourth Proportional to 827,152.20, 1,240,728.30 and 295,273.80

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Solution

The fourth proportional to 827,152.20, 1,240,728.30 and 295,273.80 is: 442,910.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,152.20 : 1,240,728.30 = 295,273.80 : x
  2. Step 2: Convert to fraction form
    827,152.20/1,240,728.30 = 295,273.80/x
  3. Step 3: Cross multiply
    827,152.20x = 1,240,728.30 × 295,273.80
  4. Step 4: Simplify right side
    827,152.20x = 366,354,559,908.54
  5. Step 5: Solve for x
    x = 366,354,559,908.54/827,152.20
  6. Step 6: Final answer
    x = 442,910.70

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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.