Finding the Fourth Proportional to 1,919,529.05, 2,879,831.66 and 840,135.67
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Solution
The fourth proportional to 1,919,529.05, 2,879,831.66 and 840,135.67 is: 1,260,439.01
Step by Step Solution
- Step 1: Write the proportion equation
1,919,529.05 : 2,879,831.66 = 840,135.67 : x - Step 2: Convert to fraction form
1,919,529.05/2,879,831.66 = 840,135.67/x - Step 3: Cross multiply
1,919,529.05x = 2,879,831.66 × 840,135.67 - Step 4: Simplify right side
1,919,529.05x = 2,419,449,289,761.05 - Step 5: Solve for x
x = 2,419,449,289,761.05/1,919,529.05 - Step 6: Final answer
x = 1,260,439.01
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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.