Finding the Fourth Proportional to 1,193,806.20, 1,786,772.70 and 839,512.20
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Solution
The fourth proportional to 1,193,806.20, 1,786,772.70 and 839,512.20 is: 1,256,499.99
Step by Step Solution
- Step 1: Write the proportion equation
1,193,806.20 : 1,786,772.70 = 839,512.20 : x - Step 2: Convert to fraction form
1,193,806.20/1,786,772.70 = 839,512.20/x - Step 3: Cross multiply
1,193,806.20x = 1,786,772.70 × 839,512.20 - Step 4: Simplify right side
1,193,806.20x = 1,500,017,480,276.94 - Step 5: Solve for x
x = 1,500,017,480,276.94/1,193,806.20 - Step 6: Final answer
x = 1,256,499.99
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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.