Finding the Fourth Proportional to 923,902.40, 1,275,374 and 561,442.68
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Solution
The fourth proportional to 923,902.40, 1,275,374 and 561,442.68 is: 775,027.10
Step by Step Solution
- Step 1: Write the proportion equation
923,902.40 : 1,275,374 = 561,442.68 : x - Step 2: Convert to fraction form
923,902.40/1,275,374 = 561,442.68/x - Step 3: Cross multiply
923,902.40x = 1,275,374 × 561,442.68 - Step 4: Simplify right side
923,902.40x = 716,049,396,562.32 - Step 5: Solve for x
x = 716,049,396,562.32/923,902.40 - Step 6: Final answer
x = 775,027.10
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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.