Finding the Fourth Proportional to 1,411,027.68, 1,947,253.36 and 766,447.68
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Solution
The fourth proportional to 1,411,027.68, 1,947,253.36 and 766,447.68 is: 1,057,716.90
Step by Step Solution
- Step 1: Write the proportion equation
1,411,027.68 : 1,947,253.36 = 766,447.68 : x - Step 2: Convert to fraction form
1,411,027.68/1,947,253.36 = 766,447.68/x - Step 3: Cross multiply
1,411,027.68x = 1,947,253.36 × 766,447.68 - Step 4: Simplify right side
1,411,027.68x = 1,492,467,820,144.21 - Step 5: Solve for x
x = 1,492,467,820,144.21/1,411,027.68 - Step 6: Final answer
x = 1,057,716.90
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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.