Finding the Fourth Proportional to 1,241,821.44, 1,861,405.91 and 708,193.44
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Solution
The fourth proportional to 1,241,821.44, 1,861,405.91 and 708,193.44 is: 1,061,533.82
Step by Step Solution
- Step 1: Write the proportion equation
1,241,821.44 : 1,861,405.91 = 708,193.44 : x - Step 2: Convert to fraction form
1,241,821.44/1,861,405.91 = 708,193.44/x - Step 3: Cross multiply
1,241,821.44x = 1,861,405.91 × 708,193.44 - Step 4: Simplify right side
1,241,821.44x = 1,318,235,454,639.23 - Step 5: Solve for x
x = 1,318,235,454,639.23/1,241,821.44 - Step 6: Final answer
x = 1,061,533.82
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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.