Finding the Fourth Proportional to 1,412,399.60, 1,947,281.99 and 914,798.17
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Solution
The fourth proportional to 1,412,399.60, 1,947,281.99 and 914,798.17 is: 1,261,236.55
Step by Step Solution
- Step 1: Write the proportion equation
1,412,399.60 : 1,947,281.99 = 914,798.17 : x - Step 2: Convert to fraction form
1,412,399.60/1,947,281.99 = 914,798.17/x - Step 3: Cross multiply
1,412,399.60x = 1,947,281.99 × 914,798.17 - Step 4: Simplify right side
1,412,399.60x = 1,781,369,998,786.07 - Step 5: Solve for x
x = 1,781,369,998,786.07/1,412,399.60 - Step 6: Final answer
x = 1,261,236.55
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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.