Finding the Fourth Proportional to 940,075.20, 1,410,346.08 and 440,856
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Solution
The fourth proportional to 940,075.20, 1,410,346.08 and 440,856 is: 661,393.40
Step by Step Solution
- Step 1: Write the proportion equation
940,075.20 : 1,410,346.08 = 440,856 : x - Step 2: Convert to fraction form
940,075.20/1,410,346.08 = 440,856/x - Step 3: Cross multiply
940,075.20x = 1,410,346.08 × 440,856 - Step 4: Simplify right side
940,075.20x = 621,759,531,444.48 - Step 5: Solve for x
x = 621,759,531,444.48/940,075.20 - Step 6: Final answer
x = 661,393.40
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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.