Finding the Fourth Proportional to 1,241,204.16, 1,861,806.35 and 399,755.91
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Solution
The fourth proportional to 1,241,204.16, 1,861,806.35 and 399,755.91 is: 599,633.90
Step by Step Solution
- Step 1: Write the proportion equation
1,241,204.16 : 1,861,806.35 = 399,755.91 : x - Step 2: Convert to fraction form
1,241,204.16/1,861,806.35 = 399,755.91/x - Step 3: Cross multiply
1,241,204.16x = 1,861,806.35 × 399,755.91 - Step 4: Simplify right side
1,241,204.16x = 744,268,089,689.25 - Step 5: Solve for x
x = 744,268,089,689.25/1,241,204.16 - Step 6: Final answer
x = 599,633.90
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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.