Finding the Fourth Proportional to 1,681,409.34, 2,320,396.17 and 956,361.53
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Solution
The fourth proportional to 1,681,409.34, 2,320,396.17 and 956,361.53 is: 1,319,808.08
Step by Step Solution
- Step 1: Write the proportion equation
1,681,409.34 : 2,320,396.17 = 956,361.53 : x - Step 2: Convert to fraction form
1,681,409.34/2,320,396.17 = 956,361.53/x - Step 3: Cross multiply
1,681,409.34x = 2,320,396.17 × 956,361.53 - Step 4: Simplify right side
1,681,409.34x = 2,219,137,633,561.97 - Step 5: Solve for x
x = 2,219,137,633,561.97/1,681,409.34 - Step 6: Final answer
x = 1,319,808.08
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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.