Finding the Fourth Proportional to 1,166,121.36, 1,608,697.62 and 682,389.81
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Solution
The fourth proportional to 1,166,121.36, 1,608,697.62 and 682,389.81 is: 941,376.17
Step by Step Solution
- Step 1: Write the proportion equation
1,166,121.36 : 1,608,697.62 = 682,389.81 : x - Step 2: Convert to fraction form
1,166,121.36/1,608,697.62 = 682,389.81/x - Step 3: Cross multiply
1,166,121.36x = 1,608,697.62 × 682,389.81 - Step 4: Simplify right side
1,166,121.36x = 1,097,758,863,259.25 - Step 5: Solve for x
x = 1,097,758,863,259.25/1,166,121.36 - Step 6: Final answer
x = 941,376.17
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.