Finding the Fourth Proportional to 741,717.99, 1,118,136.17 and 692,282.37
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Solution
The fourth proportional to 741,717.99, 1,118,136.17 and 692,282.37 is: 1,043,612.22
Step by Step Solution
- Step 1: Write the proportion equation
741,717.99 : 1,118,136.17 = 692,282.37 : x - Step 2: Convert to fraction form
741,717.99/1,118,136.17 = 692,282.37/x - Step 3: Cross multiply
741,717.99x = 1,118,136.17 × 692,282.37 - Step 4: Simplify right side
741,717.99x = 774,065,957,750.32 - Step 5: Solve for x
x = 774,065,957,750.32/741,717.99 - Step 6: Final answer
x = 1,043,612.22
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1.5x scale
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.