Finding the Fourth Proportional to 1,058,936.76, 1,461,457.08 and 629,217.18
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Solution
The fourth proportional to 1,058,936.76, 1,461,457.08 and 629,217.18 is: 868,393.60
Step by Step Solution
- Step 1: Write the proportion equation
1,058,936.76 : 1,461,457.08 = 629,217.18 : x - Step 2: Convert to fraction form
1,058,936.76/1,461,457.08 = 629,217.18/x - Step 3: Cross multiply
1,058,936.76x = 1,461,457.08 × 629,217.18 - Step 4: Simplify right side
1,058,936.76x = 919,573,902,568.64 - Step 5: Solve for x
x = 919,573,902,568.64/1,058,936.76 - Step 6: Final answer
x = 868,393.60
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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.