Finding the Fourth Proportional to 1,644,288.44, 2,268,958.56 and 1,032,245.56
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Solution
The fourth proportional to 1,644,288.44, 2,268,958.56 and 1,032,245.56 is: 1,424,398.75
Step by Step Solution
- Step 1: Write the proportion equation
1,644,288.44 : 2,268,958.56 = 1,032,245.56 : x - Step 2: Convert to fraction form
1,644,288.44/2,268,958.56 = 1,032,245.56/x - Step 3: Cross multiply
1,644,288.44x = 2,268,958.56 × 1,032,245.56 - Step 4: Simplify right side
1,644,288.44x = 2,342,122,399,383.99 - Step 5: Solve for x
x = 2,342,122,399,383.99/1,644,288.44 - Step 6: Final answer
x = 1,424,398.75
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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.