Finding the Fourth Proportional to 1,524,453.12, 2,103,694.56 and 845,439.84
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Solution
The fourth proportional to 1,524,453.12, 2,103,694.56 and 845,439.84 is: 1,166,678.84
Step by Step Solution
- Step 1: Write the proportion equation
1,524,453.12 : 2,103,694.56 = 845,439.84 : x - Step 2: Convert to fraction form
1,524,453.12/2,103,694.56 = 845,439.84/x - Step 3: Cross multiply
1,524,453.12x = 2,103,694.56 × 845,439.84 - Step 4: Simplify right side
1,524,453.12x = 1,778,547,192,215.27 - Step 5: Solve for x
x = 1,778,547,192,215.27/1,524,453.12 - Step 6: Final answer
x = 1,166,678.84
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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.