Home / 823,713.72-1,136,710.44-456,183.24

Finding the Fourth Proportional to 823,713.72, 1,136,710.44 and 456,183.24

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Solution

The fourth proportional to 823,713.72, 1,136,710.44 and 456,183.24 is: 629,524.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,713.72 : 1,136,710.44 = 456,183.24 : x
  2. Step 2: Convert to fraction form
    823,713.72/1,136,710.44 = 456,183.24/x
  3. Step 3: Cross multiply
    823,713.72x = 1,136,710.44 × 456,183.24
  4. Step 4: Simplify right side
    823,713.72x = 518,548,251,461.03
  5. Step 5: Solve for x
    x = 518,548,251,461.03/823,713.72
  6. Step 6: Final answer
    x = 629,524.84

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.