Finding the Fourth Proportional to 762,292.40, 1,052,028.12 and 422,870
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Solution
The fourth proportional to 762,292.40, 1,052,028.12 and 422,870 is: 583,596.44
Step by Step Solution
- Step 1: Write the proportion equation
762,292.40 : 1,052,028.12 = 422,870 : x - Step 2: Convert to fraction form
762,292.40/1,052,028.12 = 422,870/x - Step 3: Cross multiply
762,292.40x = 1,052,028.12 × 422,870 - Step 4: Simplify right side
762,292.40x = 444,871,131,104.40 - Step 5: Solve for x
x = 444,871,131,104.40/762,292.40 - Step 6: Final answer
x = 583,596.44
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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.