Finding the Fourth Proportional to 1,190,848.39, 1,643,361.93 and 646,988.65
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Solution
The fourth proportional to 1,190,848.39, 1,643,361.93 and 646,988.65 is: 892,839.52
Step by Step Solution
- Step 1: Write the proportion equation
1,190,848.39 : 1,643,361.93 = 646,988.65 : x - Step 2: Convert to fraction form
1,190,848.39/1,643,361.93 = 646,988.65/x - Step 3: Cross multiply
1,190,848.39x = 1,643,361.93 × 646,988.65 - Step 4: Simplify right side
1,190,848.39x = 1,063,236,505,100.34 - Step 5: Solve for x
x = 1,063,236,505,100.34/1,190,848.39 - Step 6: Final answer
x = 892,839.52
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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.