Finding the Fourth Proportional to 717,422.94, 1,075,760.73 and 267,773.99
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Solution
The fourth proportional to 717,422.94, 1,075,760.73 and 267,773.99 is: 401,521.50
Step by Step Solution
- Step 1: Write the proportion equation
717,422.94 : 1,075,760.73 = 267,773.99 : x - Step 2: Convert to fraction form
717,422.94/1,075,760.73 = 267,773.99/x - Step 3: Cross multiply
717,422.94x = 1,075,760.73 × 267,773.99 - Step 4: Simplify right side
717,422.94x = 288,060,737,578.61 - Step 5: Solve for x
x = 288,060,737,578.61/717,422.94 - Step 6: Final answer
x = 401,521.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.