Finding the Fourth Proportional to 1,857,583.68, 2,786,378.48 and 509,764.72
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Solution
The fourth proportional to 1,857,583.68, 2,786,378.48 and 509,764.72 is: 764,647.89
Step by Step Solution
- Step 1: Write the proportion equation
1,857,583.68 : 2,786,378.48 = 509,764.72 : x - Step 2: Convert to fraction form
1,857,583.68/2,786,378.48 = 509,764.72/x - Step 3: Cross multiply
1,857,583.68x = 2,786,378.48 × 509,764.72 - Step 4: Simplify right side
1,857,583.68x = 1,420,397,445,671.23 - Step 5: Solve for x
x = 1,420,397,445,671.23/1,857,583.68 - Step 6: Final answer
x = 764,647.89
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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.