Finding the Fourth Proportional to 854,697.44, 1,179,403.29 and 472,716.02
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Solution
The fourth proportional to 854,697.44, 1,179,403.29 and 472,716.02 is: 652,304.32
Step by Step Solution
- Step 1: Write the proportion equation
854,697.44 : 1,179,403.29 = 472,716.02 : x - Step 2: Convert to fraction form
854,697.44/1,179,403.29 = 472,716.02/x - Step 3: Cross multiply
854,697.44x = 1,179,403.29 × 472,716.02 - Step 4: Simplify right side
854,697.44x = 557,522,832,172.21 - Step 5: Solve for x
x = 557,522,832,172.21/854,697.44 - Step 6: Final answer
x = 652,304.32
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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.