Home / 823,705.72-1,235,593.14-291,231.16

Finding the Fourth Proportional to 823,705.72, 1,235,593.14 and 291,231.16

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Solution

The fourth proportional to 823,705.72, 1,235,593.14 and 291,231.16 is: 436,858.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,705.72 : 1,235,593.14 = 291,231.16 : x
  2. Step 2: Convert to fraction form
    823,705.72/1,235,593.14 = 291,231.16/x
  3. Step 3: Cross multiply
    823,705.72x = 1,235,593.14 × 291,231.16
  4. Step 4: Simplify right side
    823,705.72x = 359,843,223,450.24
  5. Step 5: Solve for x
    x = 359,843,223,450.24/823,705.72
  6. Step 6: Final answer
    x = 436,858.96

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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.