Finding the Fourth Proportional to 1,679,703.60, 2,519,552.16 and 417,532.44
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Solution
The fourth proportional to 1,679,703.60, 2,519,552.16 and 417,532.44 is: 626,297.85
Step by Step Solution
- Step 1: Write the proportion equation
1,679,703.60 : 2,519,552.16 = 417,532.44 : x - Step 2: Convert to fraction form
1,679,703.60/2,519,552.16 = 417,532.44/x - Step 3: Cross multiply
1,679,703.60x = 2,519,552.16 × 417,532.44 - Step 4: Simplify right side
1,679,703.60x = 1,051,994,761,072.07 - Step 5: Solve for x
x = 1,051,994,761,072.07/1,679,703.60 - Step 6: Final answer
x = 626,297.85
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1.5x scale
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.