Finding the Fourth Proportional to 1,456,417.05, 2,184,546.31 and 445,539
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Solution
The fourth proportional to 1,456,417.05, 2,184,546.31 and 445,539 is: 668,284.25
Step by Step Solution
- Step 1: Write the proportion equation
1,456,417.05 : 2,184,546.31 = 445,539 : x - Step 2: Convert to fraction form
1,456,417.05/2,184,546.31 = 445,539/x - Step 3: Cross multiply
1,456,417.05x = 2,184,546.31 × 445,539 - Step 4: Simplify right side
1,456,417.05x = 973,300,578,411.09 - Step 5: Solve for x
x = 973,300,578,411.09/1,456,417.05 - Step 6: Final answer
x = 668,284.25
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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.