Finding the Fourth Proportional to 1,137,554.69, 1,569,815.84 and 628,246.13
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Solution
The fourth proportional to 1,137,554.69, 1,569,815.84 and 628,246.13 is: 866,974.34
Step by Step Solution
- Step 1: Write the proportion equation
1,137,554.69 : 1,569,815.84 = 628,246.13 : x - Step 2: Convert to fraction form
1,137,554.69/1,569,815.84 = 628,246.13/x - Step 3: Cross multiply
1,137,554.69x = 1,569,815.84 × 628,246.13 - Step 4: Simplify right side
1,137,554.69x = 986,230,720,014.24 - Step 5: Solve for x
x = 986,230,720,014.24/1,137,554.69 - Step 6: Final answer
x = 866,974.34
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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.