Home / 823,803.20-1,235,704.80-291,924.80

Finding the Fourth Proportional to 823,803.20, 1,235,704.80 and 291,924.80

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Solution

The fourth proportional to 823,803.20, 1,235,704.80 and 291,924.80 is: 437,887.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,803.20 : 1,235,704.80 = 291,924.80 : x
  2. Step 2: Convert to fraction form
    823,803.20/1,235,704.80 = 291,924.80/x
  3. Step 3: Cross multiply
    823,803.20x = 1,235,704.80 × 291,924.80
  4. Step 4: Simplify right side
    823,803.20x = 360,732,876,599.04
  5. Step 5: Solve for x
    x = 360,732,876,599.04/823,803.20
  6. Step 6: Final answer
    x = 437,887.20

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Half scale
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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.