Finding the Fourth Proportional to 1,192,999.68, 1,646,407.68 and 683,786.88
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Solution
The fourth proportional to 1,192,999.68, 1,646,407.68 and 683,786.88 is: 943,664.94
Step by Step Solution
- Step 1: Write the proportion equation
1,192,999.68 : 1,646,407.68 = 683,786.88 : x - Step 2: Convert to fraction form
1,192,999.68/1,646,407.68 = 683,786.88/x - Step 3: Cross multiply
1,192,999.68x = 1,646,407.68 × 683,786.88 - Step 4: Simplify right side
1,192,999.68x = 1,125,791,970,715.24 - Step 5: Solve for x
x = 1,125,791,970,715.24/1,192,999.68 - Step 6: Final answer
x = 943,664.94
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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.