Finding the Fourth Proportional to 1,636,075.28, 2,454,235.94 and 437,971.07
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Solution
The fourth proportional to 1,636,075.28, 2,454,235.94 and 437,971.07 is: 656,989.53
Step by Step Solution
- Step 1: Write the proportion equation
1,636,075.28 : 2,454,235.94 = 437,971.07 : x - Step 2: Convert to fraction form
1,636,075.28/2,454,235.94 = 437,971.07/x - Step 3: Cross multiply
1,636,075.28x = 2,454,235.94 × 437,971.07 - Step 4: Simplify right side
1,636,075.28x = 1,074,884,326,213.22 - Step 5: Solve for x
x = 1,074,884,326,213.22/1,636,075.28 - Step 6: Final answer
x = 656,989.53
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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.