Finding the Fourth Proportional to 1,202,733.40, 1,659,774.05 and 658,857.25
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Solution
The fourth proportional to 1,202,733.40, 1,659,774.05 and 658,857.25 is: 909,224.07
Step by Step Solution
- Step 1: Write the proportion equation
1,202,733.40 : 1,659,774.05 = 658,857.25 : x - Step 2: Convert to fraction form
1,202,733.40/1,659,774.05 = 658,857.25/x - Step 3: Cross multiply
1,202,733.40x = 1,659,774.05 × 658,857.25 - Step 4: Simplify right side
1,202,733.40x = 1,093,554,154,611.21 - Step 5: Solve for x
x = 1,093,554,154,611.21/1,202,733.40 - Step 6: Final answer
x = 909,224.07
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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.