Finding the Fourth Proportional to 1,276,795.44, 1,761,990 and 703,856.28
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Solution
The fourth proportional to 1,276,795.44, 1,761,990 and 703,856.28 is: 971,328.44
Step by Step Solution
- Step 1: Write the proportion equation
1,276,795.44 : 1,761,990 = 703,856.28 : x - Step 2: Convert to fraction form
1,276,795.44/1,761,990 = 703,856.28/x - Step 3: Cross multiply
1,276,795.44x = 1,761,990 × 703,856.28 - Step 4: Simplify right side
1,276,795.44x = 1,240,187,726,797.20 - Step 5: Solve for x
x = 1,240,187,726,797.20/1,276,795.44 - Step 6: Final answer
x = 971,328.44
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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.