Finding the Fourth Proportional to 1,449,067.14, 1,999,673.70 and 868,618.14
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Solution
The fourth proportional to 1,449,067.14, 1,999,673.70 and 868,618.14 is: 1,198,669.68
Step by Step Solution
- Step 1: Write the proportion equation
1,449,067.14 : 1,999,673.70 = 868,618.14 : x - Step 2: Convert to fraction form
1,449,067.14/1,999,673.70 = 868,618.14/x - Step 3: Cross multiply
1,449,067.14x = 1,999,673.70 × 868,618.14 - Step 4: Simplify right side
1,449,067.14x = 1,736,952,849,900.92 - Step 5: Solve for x
x = 1,736,952,849,900.92/1,449,067.14 - Step 6: Final answer
x = 1,198,669.68
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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.