Finding the Fourth Proportional to 1,193,353.92, 1,789,853.08 and 394,639.64
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Solution
The fourth proportional to 1,193,353.92, 1,789,853.08 and 394,639.64 is: 591,900.66
Step by Step Solution
- Step 1: Write the proportion equation
1,193,353.92 : 1,789,853.08 = 394,639.64 : x - Step 2: Convert to fraction form
1,193,353.92/1,789,853.08 = 394,639.64/x - Step 3: Cross multiply
1,193,353.92x = 1,789,853.08 × 394,639.64 - Step 4: Simplify right side
1,193,353.92x = 706,346,975,144.09 - Step 5: Solve for x
x = 706,346,975,144.09/1,193,353.92 - Step 6: Final answer
x = 591,900.66
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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.