Finding the Fourth Proportional to 1,377,126.11, 1,900,313.00 and 765,240.09
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Solution
The fourth proportional to 1,377,126.11, 1,900,313.00 and 765,240.09 is: 1,055,964.07
Step by Step Solution
- Step 1: Write the proportion equation
1,377,126.11 : 1,900,313.00 = 765,240.09 : x - Step 2: Convert to fraction form
1,377,126.11/1,900,313.00 = 765,240.09/x - Step 3: Cross multiply
1,377,126.11x = 1,900,313.00 × 765,240.09 - Step 4: Simplify right side
1,377,126.11x = 1,454,195,687,321.97 - Step 5: Solve for x
x = 1,454,195,687,321.97/1,377,126.11 - Step 6: Final answer
x = 1,055,964.07
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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.