Finding the Fourth Proportional to 1,727,783.49, 2,383,231.10 and 1,048,719.99
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Solution
The fourth proportional to 1,727,783.49, 2,383,231.10 and 1,048,719.99 is: 1,446,559.77
Step by Step Solution
- Step 1: Write the proportion equation
1,727,783.49 : 2,383,231.10 = 1,048,719.99 : x - Step 2: Convert to fraction form
1,727,783.49/2,383,231.10 = 1,048,719.99/x - Step 3: Cross multiply
1,727,783.49x = 2,383,231.10 × 1,048,719.99 - Step 4: Simplify right side
1,727,783.49x = 2,499,342,090,116.09 - Step 5: Solve for x
x = 2,499,342,090,116.09/1,727,783.49 - Step 6: Final answer
x = 1,446,559.77
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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.