Home / 823,712.72-1,136,709.06-456,182.24

Finding the Fourth Proportional to 823,712.72, 1,136,709.06 and 456,182.24

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Solution

The fourth proportional to 823,712.72, 1,136,709.06 and 456,182.24 is: 629,523.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,712.72 : 1,136,709.06 = 456,182.24 : x
  2. Step 2: Convert to fraction form
    823,712.72/1,136,709.06 = 456,182.24/x
  3. Step 3: Cross multiply
    823,712.72x = 1,136,709.06 × 456,182.24
  4. Step 4: Simplify right side
    823,712.72x = 518,546,485,219.09
  5. Step 5: Solve for x
    x = 518,546,485,219.09/823,712.72
  6. Step 6: Final answer
    x = 629,523.46

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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.