Finding the Fourth Proportional to 1,151,571.82, 1,727,664.05 and 393,412.18
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Solution
The fourth proportional to 1,151,571.82, 1,727,664.05 and 393,412.18 is: 590,222.92
Step by Step Solution
- Step 1: Write the proportion equation
1,151,571.82 : 1,727,664.05 = 393,412.18 : x - Step 2: Convert to fraction form
1,151,571.82/1,727,664.05 = 393,412.18/x - Step 3: Cross multiply
1,151,571.82x = 1,727,664.05 × 393,412.18 - Step 4: Simplify right side
1,151,571.82x = 679,684,080,218.13 - Step 5: Solve for x
x = 679,684,080,218.13/1,151,571.82 - Step 6: Final answer
x = 590,222.92
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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.