Finding the Fourth Proportional to 1,683,340.88, 2,323,010.41 and 919,396.26
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Solution
The fourth proportional to 1,683,340.88, 2,323,010.41 and 919,396.26 is: 1,268,766.84
Step by Step Solution
- Step 1: Write the proportion equation
1,683,340.88 : 2,323,010.41 = 919,396.26 : x - Step 2: Convert to fraction form
1,683,340.88/2,323,010.41 = 919,396.26/x - Step 3: Cross multiply
1,683,340.88x = 2,323,010.41 × 919,396.26 - Step 4: Simplify right side
1,683,340.88x = 2,135,767,080,596.58 - Step 5: Solve for x
x = 2,135,767,080,596.58/1,683,340.88 - Step 6: Final answer
x = 1,268,766.84
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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.