Finding the Fourth Proportional to 1,257,817.68, 1,735,765.92 and 684,847.44
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Solution
The fourth proportional to 1,257,817.68, 1,735,765.92 and 684,847.44 is: 945,077.23
Step by Step Solution
- Step 1: Write the proportion equation
1,257,817.68 : 1,735,765.92 = 684,847.44 : x - Step 2: Convert to fraction form
1,257,817.68/1,735,765.92 = 684,847.44/x - Step 3: Cross multiply
1,257,817.68x = 1,735,765.92 × 684,847.44 - Step 4: Simplify right side
1,257,817.68x = 1,188,734,846,751.24 - Step 5: Solve for x
x = 1,188,734,846,751.24/1,257,817.68 - Step 6: Final answer
x = 945,077.23
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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.