Finding the Fourth Proportional to 1,143,976.26, 1,715,974.57 and 291,049.00
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Solution
The fourth proportional to 1,143,976.26, 1,715,974.57 and 291,049.00 is: 436,576.09
Step by Step Solution
- Step 1: Write the proportion equation
1,143,976.26 : 1,715,974.57 = 291,049.00 : x - Step 2: Convert to fraction form
1,143,976.26/1,715,974.57 = 291,049.00/x - Step 3: Cross multiply
1,143,976.26x = 1,715,974.57 × 291,049.00 - Step 4: Simplify right side
1,143,976.26x = 499,432,678,697.81 - Step 5: Solve for x
x = 499,432,678,697.81/1,143,976.26 - Step 6: Final answer
x = 436,576.09
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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.