Finding the Fourth Proportional to 1,409,115, 1,944,578.82 and 805,515.96
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Solution
The fourth proportional to 1,409,115, 1,944,578.82 and 805,515.96 is: 1,111,612.09
Step by Step Solution
- Step 1: Write the proportion equation
1,409,115 : 1,944,578.82 = 805,515.96 : x - Step 2: Convert to fraction form
1,409,115/1,944,578.82 = 805,515.96/x - Step 3: Cross multiply
1,409,115x = 1,944,578.82 × 805,515.96 - Step 4: Simplify right side
1,409,115x = 1,566,389,274,987.97 - Step 5: Solve for x
x = 1,566,389,274,987.97/1,409,115 - Step 6: Final answer
x = 1,111,612.09
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.