Finding the Fourth Proportional to 1,312,517.64, 1,968,786.18 and 471,076.68
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Solution
The fourth proportional to 1,312,517.64, 1,968,786.18 and 471,076.68 is: 706,618.51
Step by Step Solution
- Step 1: Write the proportion equation
1,312,517.64 : 1,968,786.18 = 471,076.68 : x - Step 2: Convert to fraction form
1,312,517.64/1,968,786.18 = 471,076.68/x - Step 3: Cross multiply
1,312,517.64x = 1,968,786.18 × 471,076.68 - Step 4: Simplify right side
1,312,517.64x = 927,449,257,304.28 - Step 5: Solve for x
x = 927,449,257,304.28/1,312,517.64 - Step 6: Final answer
x = 706,618.51
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.