Finding the Fourth Proportional to 1,284,594.93, 1,772,611.74 and 711,528.03
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Solution
The fourth proportional to 1,284,594.93, 1,772,611.74 and 711,528.03 is: 981,837.08
Step by Step Solution
- Step 1: Write the proportion equation
1,284,594.93 : 1,772,611.74 = 711,528.03 : x - Step 2: Convert to fraction form
1,284,594.93/1,772,611.74 = 711,528.03/x - Step 3: Cross multiply
1,284,594.93x = 1,772,611.74 × 711,528.03 - Step 4: Simplify right side
1,284,594.93x = 1,261,262,939,317.07 - Step 5: Solve for x
x = 1,261,262,939,317.07/1,284,594.93 - Step 6: Final answer
x = 981,837.08
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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.