Finding the Fourth Proportional to 1,391,525.84, 2,086,754.16 and 492,801.68
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Solution
The fourth proportional to 1,391,525.84, 2,086,754.16 and 492,801.68 is: 739,013.19
Step by Step Solution
- Step 1: Write the proportion equation
1,391,525.84 : 2,086,754.16 = 492,801.68 : x - Step 2: Convert to fraction form
1,391,525.84/2,086,754.16 = 492,801.68/x - Step 3: Cross multiply
1,391,525.84x = 2,086,754.16 × 492,801.68 - Step 4: Simplify right side
1,391,525.84x = 1,028,355,955,794.99 - Step 5: Solve for x
x = 1,028,355,955,794.99/1,391,525.84 - Step 6: Final answer
x = 739,013.19
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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.