Finding the Fourth Proportional to 1,527,911.97, 2,108,511.47 and 839,626.62
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Solution
The fourth proportional to 1,527,911.97, 2,108,511.47 and 839,626.62 is: 1,158,680.86
Step by Step Solution
- Step 1: Write the proportion equation
1,527,911.97 : 2,108,511.47 = 839,626.62 : x - Step 2: Convert to fraction form
1,527,911.97/2,108,511.47 = 839,626.62/x - Step 3: Cross multiply
1,527,911.97x = 2,108,511.47 × 839,626.62 - Step 4: Simplify right side
1,527,911.97x = 1,770,362,354,589.20 - Step 5: Solve for x
x = 1,770,362,354,589.20/1,527,911.97 - Step 6: Final answer
x = 1,158,680.86
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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.