Finding the Fourth Proportional to 1,292,786.16, 1,936,558.40 and 599,379.14
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Solution
The fourth proportional to 1,292,786.16, 1,936,558.40 and 599,379.14 is: 897,853.59
Step by Step Solution
- Step 1: Write the proportion equation
1,292,786.16 : 1,936,558.40 = 599,379.14 : x - Step 2: Convert to fraction form
1,292,786.16/1,936,558.40 = 599,379.14/x - Step 3: Cross multiply
1,292,786.16x = 1,936,558.40 × 599,379.14 - Step 4: Simplify right side
1,292,786.16x = 1,160,732,695,672.09 - Step 5: Solve for x
x = 1,160,732,695,672.09/1,292,786.16 - Step 6: Final answer
x = 897,853.59
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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.