Finding the Fourth Proportional to 726,713.12, 1,096,895.66 and 726,713.12
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Solution
The fourth proportional to 726,713.12, 1,096,895.66 and 726,713.12 is: 1,096,895.66
Step by Step Solution
- Step 1: Write the proportion equation
726,713.12 : 1,096,895.66 = 726,713.12 : x - Step 2: Convert to fraction form
726,713.12/1,096,895.66 = 726,713.12/x - Step 3: Cross multiply
726,713.12x = 1,096,895.66 × 726,713.12 - Step 4: Simplify right side
726,713.12x = 797,128,467,393.06 - Step 5: Solve for x
x = 797,128,467,393.06/726,713.12 - Step 6: Final answer
x = 1,096,895.66
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.