Finding the Fourth Proportional to 1,589,143.97, 2,193,082.36 and 863,989.45
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Solution
The fourth proportional to 1,589,143.97, 2,193,082.36 and 863,989.45 is: 1,192,340.06
Step by Step Solution
- Step 1: Write the proportion equation
1,589,143.97 : 2,193,082.36 = 863,989.45 : x - Step 2: Convert to fraction form
1,589,143.97/2,193,082.36 = 863,989.45/x - Step 3: Cross multiply
1,589,143.97x = 2,193,082.36 × 863,989.45 - Step 4: Simplify right side
1,589,143.97x = 1,894,800,014,378.42 - Step 5: Solve for x
x = 1,894,800,014,378.42/1,589,143.97 - Step 6: Final answer
x = 1,192,340.06
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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.