Finding the Fourth Proportional to 1,170,994.11, 1,616,417.79 and 763,195.14
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Solution
The fourth proportional to 1,170,994.11, 1,616,417.79 and 763,195.14 is: 1,053,499.92
Step by Step Solution
- Step 1: Write the proportion equation
1,170,994.11 : 1,616,417.79 = 763,195.14 : x - Step 2: Convert to fraction form
1,170,994.11/1,616,417.79 = 763,195.14/x - Step 3: Cross multiply
1,170,994.11x = 1,616,417.79 × 763,195.14 - Step 4: Simplify right side
1,170,994.11x = 1,233,642,201,537.54 - Step 5: Solve for x
x = 1,233,642,201,537.54/1,170,994.11 - Step 6: Final answer
x = 1,053,499.92
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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.