Finding the Fourth Proportional to 1,135,175.31, 1,694,451.96 and 1,000,660.23
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Solution
The fourth proportional to 1,135,175.31, 1,694,451.96 and 1,000,660.23 is: 1,493,664.17
Step by Step Solution
- Step 1: Write the proportion equation
1,135,175.31 : 1,694,451.96 = 1,000,660.23 : x - Step 2: Convert to fraction form
1,135,175.31/1,694,451.96 = 1,000,660.23/x - Step 3: Cross multiply
1,135,175.31x = 1,694,451.96 × 1,000,660.23 - Step 4: Simplify right side
1,135,175.31x = 1,695,570,688,017.55 - Step 5: Solve for x
x = 1,695,570,688,017.55/1,135,175.31 - Step 6: Final answer
x = 1,493,664.17
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.