Finding the Fourth Proportional to 923,647.19, 1,275,513.44 and 873,327.06
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Solution
The fourth proportional to 923,647.19, 1,275,513.44 and 873,327.06 is: 1,206,023.70
Step by Step Solution
- Step 1: Write the proportion equation
923,647.19 : 1,275,513.44 = 873,327.06 : x - Step 2: Convert to fraction form
923,647.19/1,275,513.44 = 873,327.06/x - Step 3: Cross multiply
923,647.19x = 1,275,513.44 × 873,327.06 - Step 4: Simplify right side
923,647.19x = 1,113,940,398,179.05 - Step 5: Solve for x
x = 1,113,940,398,179.05/923,647.19 - Step 6: Final answer
x = 1,206,023.70
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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.