Home / 921,213.12-1,380,771.44-560,588.60

Finding the Fourth Proportional to 921,213.12, 1,380,771.44 and 560,588.60

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Solution

The fourth proportional to 921,213.12, 1,380,771.44 and 560,588.60 is: 840,245.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,213.12 : 1,380,771.44 = 560,588.60 : x
  2. Step 2: Convert to fraction form
    921,213.12/1,380,771.44 = 560,588.60/x
  3. Step 3: Cross multiply
    921,213.12x = 1,380,771.44 × 560,588.60
  4. Step 4: Simplify right side
    921,213.12x = 774,044,728,469.58
  5. Step 5: Solve for x
    x = 774,044,728,469.58/921,213.12
  6. Step 6: Final answer
    x = 840,245.01

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Double scale
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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.