Finding the Fourth Proportional to 1,135,203.10, 1,566,592.55 and 618,952.75
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Solution
The fourth proportional to 1,135,203.10, 1,566,592.55 and 618,952.75 is: 854,161.49
Step by Step Solution
- Step 1: Write the proportion equation
1,135,203.10 : 1,566,592.55 = 618,952.75 : x - Step 2: Convert to fraction form
1,135,203.10/1,566,592.55 = 618,952.75/x - Step 3: Cross multiply
1,135,203.10x = 1,566,592.55 × 618,952.75 - Step 4: Simplify right side
1,135,203.10x = 969,646,766,952.01 - Step 5: Solve for x
x = 969,646,766,952.01/1,135,203.10 - Step 6: Final answer
x = 854,161.49
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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.