Finding the Fourth Proportional to 1,232,756.05, 1,701,239.66 and 688,893.12
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Solution
The fourth proportional to 1,232,756.05, 1,701,239.66 and 688,893.12 is: 950,692.79
Step by Step Solution
- Step 1: Write the proportion equation
1,232,756.05 : 1,701,239.66 = 688,893.12 : x - Step 2: Convert to fraction form
1,232,756.05/1,701,239.66 = 688,893.12/x - Step 3: Cross multiply
1,232,756.05x = 1,701,239.66 × 688,893.12 - Step 4: Simplify right side
1,232,756.05x = 1,171,972,294,714.27 - Step 5: Solve for x
x = 1,171,972,294,714.27/1,232,756.05 - Step 6: Final answer
x = 950,692.79
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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.