Finding the Fourth Proportional to 1,411,331.13, 1,947,207.87 and 799,386.66
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Solution
The fourth proportional to 1,411,331.13, 1,947,207.87 and 799,386.66 is: 1,102,910.55
Step by Step Solution
- Step 1: Write the proportion equation
1,411,331.13 : 1,947,207.87 = 799,386.66 : x - Step 2: Convert to fraction form
1,411,331.13/1,947,207.87 = 799,386.66/x - Step 3: Cross multiply
1,411,331.13x = 1,947,207.87 × 799,386.66 - Step 4: Simplify right side
1,411,331.13x = 1,556,571,995,525.01 - Step 5: Solve for x
x = 1,556,571,995,525.01/1,411,331.13 - Step 6: Final answer
x = 1,102,910.55
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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.