Finding the Fourth Proportional to 1,346,351.80, 1,858,138.20 and 773,502.70
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Solution
The fourth proportional to 1,346,351.80, 1,858,138.20 and 773,502.70 is: 1,067,532.95
Step by Step Solution
- Step 1: Write the proportion equation
1,346,351.80 : 1,858,138.20 = 773,502.70 : x - Step 2: Convert to fraction form
1,346,351.80/1,858,138.20 = 773,502.70/x - Step 3: Cross multiply
1,346,351.80x = 1,858,138.20 × 773,502.70 - Step 4: Simplify right side
1,346,351.80x = 1,437,274,914,673.14 - Step 5: Solve for x
x = 1,437,274,914,673.14/1,346,351.80 - Step 6: Final answer
x = 1,067,532.95
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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.