Finding the Fourth Proportional to 1,588,568.55, 2,192,246.79 and 863,416.05
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Solution
The fourth proportional to 1,588,568.55, 2,192,246.79 and 863,416.05 is: 1,191,526.21
Step by Step Solution
- Step 1: Write the proportion equation
1,588,568.55 : 2,192,246.79 = 863,416.05 : x - Step 2: Convert to fraction form
1,588,568.55/2,192,246.79 = 863,416.05/x - Step 3: Cross multiply
1,588,568.55x = 2,192,246.79 × 863,416.05 - Step 4: Simplify right side
1,588,568.55x = 1,892,821,064,046.98 - Step 5: Solve for x
x = 1,892,821,064,046.98/1,588,568.55 - Step 6: Final answer
x = 1,191,526.21
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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.