Finding the Fourth Proportional to 868,582.24, 1,198,582.99 and 481,393.87
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Solution
The fourth proportional to 868,582.24, 1,198,582.99 and 481,393.87 is: 664,290.01
Step by Step Solution
- Step 1: Write the proportion equation
868,582.24 : 1,198,582.99 = 481,393.87 : x - Step 2: Convert to fraction form
868,582.24/1,198,582.99 = 481,393.87/x - Step 3: Cross multiply
868,582.24x = 1,198,582.99 × 481,393.87 - Step 4: Simplify right side
868,582.24x = 576,990,504,072.27 - Step 5: Solve for x
x = 576,990,504,072.27/868,582.24 - Step 6: Final answer
x = 664,290.01
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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.