Finding the Fourth Proportional to 1,118,985.33, 1,544,178.84 and 622,299.68
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Solution
The fourth proportional to 1,118,985.33, 1,544,178.84 and 622,299.68 is: 858,761.92
Step by Step Solution
- Step 1: Write the proportion equation
1,118,985.33 : 1,544,178.84 = 622,299.68 : x - Step 2: Convert to fraction form
1,118,985.33/1,544,178.84 = 622,299.68/x - Step 3: Cross multiply
1,118,985.33x = 1,544,178.84 × 622,299.68 - Step 4: Simplify right side
1,118,985.33x = 960,941,993,730.92 - Step 5: Solve for x
x = 960,941,993,730.92/1,118,985.33 - Step 6: Final answer
x = 858,761.92
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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.