Home / 984,833.20-1,477,249.80-512,441.20

Finding the Fourth Proportional to 984,833.20, 1,477,249.80 and 512,441.20

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Solution

The fourth proportional to 984,833.20, 1,477,249.80 and 512,441.20 is: 768,661.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,833.20 : 1,477,249.80 = 512,441.20 : x
  2. Step 2: Convert to fraction form
    984,833.20/1,477,249.80 = 512,441.20/x
  3. Step 3: Cross multiply
    984,833.20x = 1,477,249.80 × 512,441.20
  4. Step 4: Simplify right side
    984,833.20x = 757,003,660,211.76
  5. Step 5: Solve for x
    x = 757,003,660,211.76/984,833.20
  6. Step 6: Final answer
    x = 768,661.80

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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.