Finding the Fourth Proportional to 741,716.48, 1,118,133.91 and 692,280.87
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Solution
The fourth proportional to 741,716.48, 1,118,133.91 and 692,280.87 is: 1,043,609.97
Step by Step Solution
- Step 1: Write the proportion equation
741,716.48 : 1,118,133.91 = 692,280.87 : x - Step 2: Convert to fraction form
741,716.48/1,118,133.91 = 692,280.87/x - Step 3: Cross multiply
741,716.48x = 1,118,133.91 × 692,280.87 - Step 4: Simplify right side
741,716.48x = 774,062,715,991.30 - Step 5: Solve for x
x = 774,062,715,991.30/741,716.48 - Step 6: Final answer
x = 1,043,609.97
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.