Finding the Fourth Proportional to 1,135,846.05, 1,567,497.18 and 619,608.75
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Solution
The fourth proportional to 1,135,846.05, 1,567,497.18 and 619,608.75 is: 855,076.24
Step by Step Solution
- Step 1: Write the proportion equation
1,135,846.05 : 1,567,497.18 = 619,608.75 : x - Step 2: Convert to fraction form
1,135,846.05/1,567,497.18 = 619,608.75/x - Step 3: Cross multiply
1,135,846.05x = 1,567,497.18 × 619,608.75 - Step 4: Simplify right side
1,135,846.05x = 971,234,968,328.33 - Step 5: Solve for x
x = 971,234,968,328.33/1,135,846.05 - Step 6: Final answer
x = 855,076.24
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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.