Finding the Fourth Proportional to 1,717,765.40, 2,576,939.70 and 519,678.20
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Solution
The fourth proportional to 1,717,765.40, 2,576,939.70 and 519,678.20 is: 779,605.52
Step by Step Solution
- Step 1: Write the proportion equation
1,717,765.40 : 2,576,939.70 = 519,678.20 : x - Step 2: Convert to fraction form
1,717,765.40/2,576,939.70 = 519,678.20/x - Step 3: Cross multiply
1,717,765.40x = 2,576,939.70 × 519,678.20 - Step 4: Simplify right side
1,717,765.40x = 1,339,179,384,804.54 - Step 5: Solve for x
x = 1,339,179,384,804.54/1,717,765.40 - Step 6: Final answer
x = 779,605.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.