Finding the Fourth Proportional to 1,707,161.82, 2,355,977.79 and 943,198.98
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Solution
The fourth proportional to 1,707,161.82, 2,355,977.79 and 943,198.98 is: 1,301,666.79
Step by Step Solution
- Step 1: Write the proportion equation
1,707,161.82 : 2,355,977.79 = 943,198.98 : x - Step 2: Convert to fraction form
1,707,161.82/2,355,977.79 = 943,198.98/x - Step 3: Cross multiply
1,707,161.82x = 2,355,977.79 × 943,198.98 - Step 4: Simplify right side
1,707,161.82x = 2,222,155,848,430.65 - Step 5: Solve for x
x = 2,222,155,848,430.65/1,707,161.82 - Step 6: Final answer
x = 1,301,666.79
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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.