Finding the Fourth Proportional to 741,133.42, 1,022,650.99 and 418,725.88
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Solution
The fourth proportional to 741,133.42, 1,022,650.99 and 418,725.88 is: 577,777.80
Step by Step Solution
- Step 1: Write the proportion equation
741,133.42 : 1,022,650.99 = 418,725.88 : x - Step 2: Convert to fraction form
741,133.42/1,022,650.99 = 418,725.88/x - Step 3: Cross multiply
741,133.42x = 1,022,650.99 × 418,725.88 - Step 4: Simplify right side
741,133.42x = 428,210,435,720.62 - Step 5: Solve for x
x = 428,210,435,720.62/741,133.42 - Step 6: Final answer
x = 577,777.80
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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.