Finding the Fourth Proportional to 1,383,881.36, 1,909,757.09 and 772,034.12
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Solution
The fourth proportional to 1,383,881.36, 1,909,757.09 and 772,034.12 is: 1,065,407.54
Step by Step Solution
- Step 1: Write the proportion equation
1,383,881.36 : 1,909,757.09 = 772,034.12 : x - Step 2: Convert to fraction form
1,383,881.36/1,909,757.09 = 772,034.12/x - Step 3: Cross multiply
1,383,881.36x = 1,909,757.09 × 772,034.12 - Step 4: Simplify right side
1,383,881.36x = 1,474,397,634,391.91 - Step 5: Solve for x
x = 1,474,397,634,391.91/1,383,881.36 - Step 6: Final answer
x = 1,065,407.54
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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.