Finding the Fourth Proportional to 1,205,307.36, 1,662,696.18 and 714,991.68
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Solution
The fourth proportional to 1,205,307.36, 1,662,696.18 and 714,991.68 is: 986,316.00
Step by Step Solution
- Step 1: Write the proportion equation
1,205,307.36 : 1,662,696.18 = 714,991.68 : x - Step 2: Convert to fraction form
1,205,307.36/1,662,696.18 = 714,991.68/x - Step 3: Cross multiply
1,205,307.36x = 1,662,696.18 × 714,991.68 - Step 4: Simplify right side
1,205,307.36x = 1,188,813,935,067.78 - Step 5: Solve for x
x = 1,188,813,935,067.78/1,205,307.36 - Step 6: Final answer
x = 986,316.00
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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.