Finding the Fourth Proportional to 1,691,973.73, 2,334,913.82 and 917,596.84
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Solution
The fourth proportional to 1,691,973.73, 2,334,913.82 and 917,596.84 is: 1,266,278.26
Step by Step Solution
- Step 1: Write the proportion equation
1,691,973.73 : 2,334,913.82 = 917,596.84 : x - Step 2: Convert to fraction form
1,691,973.73/2,334,913.82 = 917,596.84/x - Step 3: Cross multiply
1,691,973.73x = 2,334,913.82 × 917,596.84 - Step 4: Simplify right side
1,691,973.73x = 2,142,509,539,361.04 - Step 5: Solve for x
x = 2,142,509,539,361.04/1,691,973.73 - Step 6: Final answer
x = 1,266,278.26
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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.