Finding the Fourth Proportional to 1,311,694.12, 1,967,817.66 and 425,161
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Solution
The fourth proportional to 1,311,694.12, 1,967,817.66 and 425,161 is: 637,831.12
Step by Step Solution
- Step 1: Write the proportion equation
1,311,694.12 : 1,967,817.66 = 425,161 : x - Step 2: Convert to fraction form
1,311,694.12/1,967,817.66 = 425,161/x - Step 3: Cross multiply
1,311,694.12x = 1,967,817.66 × 425,161 - Step 4: Simplify right side
1,311,694.12x = 836,639,324,143.26 - Step 5: Solve for x
x = 836,639,324,143.26/1,311,694.12 - Step 6: Final answer
x = 637,831.12
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.