Finding the Fourth Proportional to 1,193,191.68, 1,646,604.72 and 656,647.68
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Solution
The fourth proportional to 1,193,191.68, 1,646,604.72 and 656,647.68 is: 906,173.91
Step by Step Solution
- Step 1: Write the proportion equation
1,193,191.68 : 1,646,604.72 = 656,647.68 : x - Step 2: Convert to fraction form
1,193,191.68/1,646,604.72 = 656,647.68/x - Step 3: Cross multiply
1,193,191.68x = 1,646,604.72 × 656,647.68 - Step 4: Simplify right side
1,193,191.68x = 1,081,239,169,265.05 - Step 5: Solve for x
x = 1,081,239,169,265.05/1,193,191.68 - Step 6: Final answer
x = 906,173.91
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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.