Finding the Fourth Proportional to 1,241,568.05, 1,861,958.41 and 531,405.41
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Solution
The fourth proportional to 1,241,568.05, 1,861,958.41 and 531,405.41 is: 796,939.62
Step by Step Solution
- Step 1: Write the proportion equation
1,241,568.05 : 1,861,958.41 = 531,405.41 : x - Step 2: Convert to fraction form
1,241,568.05/1,861,958.41 = 531,405.41/x - Step 3: Cross multiply
1,241,568.05x = 1,861,958.41 × 531,405.41 - Step 4: Simplify right side
1,241,568.05x = 989,454,767,614.10 - Step 5: Solve for x
x = 989,454,767,614.10/1,241,568.05 - Step 6: Final answer
x = 796,939.62
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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.