Finding the Fourth Proportional to 1,311,760.78, 1,963,193.36 and 806,639.11
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Solution
The fourth proportional to 1,311,760.78, 1,963,193.36 and 806,639.11 is: 1,207,223.58
Step by Step Solution
- Step 1: Write the proportion equation
1,311,760.78 : 1,963,193.36 = 806,639.11 : x - Step 2: Convert to fraction form
1,311,760.78/1,963,193.36 = 806,639.11/x - Step 3: Cross multiply
1,311,760.78x = 1,963,193.36 × 806,639.11 - Step 4: Simplify right side
1,311,760.78x = 1,583,588,535,727.13 - Step 5: Solve for x
x = 1,583,588,535,727.13/1,311,760.78 - Step 6: Final answer
x = 1,207,223.58
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.