Finding the Fourth Proportional to 1,276,511.41, 1,761,596.44 and 703,553.05
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Solution
The fourth proportional to 1,276,511.41, 1,761,596.44 and 703,553.05 is: 970,909.11
Step by Step Solution
- Step 1: Write the proportion equation
1,276,511.41 : 1,761,596.44 = 703,553.05 : x - Step 2: Convert to fraction form
1,276,511.41/1,761,596.44 = 703,553.05/x - Step 3: Cross multiply
1,276,511.41x = 1,761,596.44 × 703,553.05 - Step 4: Simplify right side
1,276,511.41x = 1,239,376,553,514.57 - Step 5: Solve for x
x = 1,239,376,553,514.57/1,276,511.41 - Step 6: Final answer
x = 970,909.11
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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.