Finding the Fourth Proportional to 1,184,936.64, 1,635,254.61 and 668,816.19
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Solution
The fourth proportional to 1,184,936.64, 1,635,254.61 and 668,816.19 is: 922,990.07
Step by Step Solution
- Step 1: Write the proportion equation
1,184,936.64 : 1,635,254.61 = 668,816.19 : x - Step 2: Convert to fraction form
1,184,936.64/1,635,254.61 = 668,816.19/x - Step 3: Cross multiply
1,184,936.64x = 1,635,254.61 × 668,816.19 - Step 4: Simplify right side
1,184,936.64x = 1,093,684,757,940.14 - Step 5: Solve for x
x = 1,093,684,757,940.14/1,184,936.64 - Step 6: Final answer
x = 922,990.07
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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.