Finding the Fourth Proportional to 1,857,580.38, 2,786,373.60 and 509,761.44
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Solution
The fourth proportional to 1,857,580.38, 2,786,373.60 and 509,761.44 is: 764,642.99
Step by Step Solution
- Step 1: Write the proportion equation
1,857,580.38 : 2,786,373.60 = 509,761.44 : x - Step 2: Convert to fraction form
1,857,580.38/2,786,373.60 = 509,761.44/x - Step 3: Cross multiply
1,857,580.38x = 2,786,373.60 × 509,761.44 - Step 4: Simplify right side
1,857,580.38x = 1,420,385,818,713.98 - Step 5: Solve for x
x = 1,420,385,818,713.98/1,857,580.38 - Step 6: Final answer
x = 764,642.99
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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.