Finding the Fourth Proportional to 1,175,690.36, 1,622,579.58 and 666,338.06
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Solution
The fourth proportional to 1,175,690.36, 1,622,579.58 and 666,338.06 is: 919,618.44
Step by Step Solution
- Step 1: Write the proportion equation
1,175,690.36 : 1,622,579.58 = 666,338.06 : x - Step 2: Convert to fraction form
1,175,690.36/1,622,579.58 = 666,338.06/x - Step 3: Cross multiply
1,175,690.36x = 1,622,579.58 × 666,338.06 - Step 4: Simplify right side
1,175,690.36x = 1,081,186,533,589.26 - Step 5: Solve for x
x = 1,081,186,533,589.26/1,175,690.36 - Step 6: Final answer
x = 919,618.44
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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.