Home / 827,190.40-1,240,785.60-294,728.80

Finding the Fourth Proportional to 827,190.40, 1,240,785.60 and 294,728.80

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Solution

The fourth proportional to 827,190.40, 1,240,785.60 and 294,728.80 is: 442,093.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,190.40 : 1,240,785.60 = 294,728.80 : x
  2. Step 2: Convert to fraction form
    827,190.40/1,240,785.60 = 294,728.80/x
  3. Step 3: Cross multiply
    827,190.40x = 1,240,785.60 × 294,728.80
  4. Step 4: Simplify right side
    827,190.40x = 365,695,250,945.28
  5. Step 5: Solve for x
    x = 365,695,250,945.28/827,190.40
  6. Step 6: Final answer
    x = 442,093.20

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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.