Finding the Fourth Proportional to 1,611,272.29, 2,223,511.34 and 886,119.99
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Solution
The fourth proportional to 1,611,272.29, 2,223,511.34 and 886,119.99 is: 1,222,821.15
Step by Step Solution
- Step 1: Write the proportion equation
1,611,272.29 : 2,223,511.34 = 886,119.99 : x - Step 2: Convert to fraction form
1,611,272.29/2,223,511.34 = 886,119.99/x - Step 3: Cross multiply
1,611,272.29x = 2,223,511.34 × 886,119.99 - Step 4: Simplify right side
1,611,272.29x = 1,970,297,835,248.13 - Step 5: Solve for x
x = 1,970,297,835,248.13/1,611,272.29 - Step 6: Final answer
x = 1,222,821.15
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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.