Finding the Fourth Proportional to 779,706, 1,075,997.52 and 422,010
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Solution
The fourth proportional to 779,706, 1,075,997.52 and 422,010 is: 582,375.55
Step by Step Solution
- Step 1: Write the proportion equation
779,706 : 1,075,997.52 = 422,010 : x - Step 2: Convert to fraction form
779,706/1,075,997.52 = 422,010/x - Step 3: Cross multiply
779,706x = 1,075,997.52 × 422,010 - Step 4: Simplify right side
779,706x = 454,081,713,415.20 - Step 5: Solve for x
x = 454,081,713,415.20/779,706 - Step 6: Final answer
x = 582,375.55
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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.