Finding the Fourth Proportional to 1,391,764.56, 2,086,626.24 and 444,589.44
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Solution
The fourth proportional to 1,391,764.56, 2,086,626.24 and 444,589.44 is: 666,558.14
Step by Step Solution
- Step 1: Write the proportion equation
1,391,764.56 : 2,086,626.24 = 444,589.44 : x - Step 2: Convert to fraction form
1,391,764.56/2,086,626.24 = 444,589.44/x - Step 3: Cross multiply
1,391,764.56x = 2,086,626.24 × 444,589.44 - Step 4: Simplify right side
1,391,764.56x = 927,691,991,530.91 - Step 5: Solve for x
x = 927,691,991,530.91/1,391,764.56 - Step 6: Final answer
x = 666,558.14
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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.