Finding the Fourth Proportional to 1,588,764.87, 2,192,496.99 and 863,612.57
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Solution
The fourth proportional to 1,588,764.87, 2,192,496.99 and 863,612.57 is: 1,191,786.15
Step by Step Solution
- Step 1: Write the proportion equation
1,588,764.87 : 2,192,496.99 = 863,612.57 : x - Step 2: Convert to fraction form
1,588,764.87/2,192,496.99 = 863,612.57/x - Step 3: Cross multiply
1,588,764.87x = 2,192,496.99 × 863,612.57 - Step 4: Simplify right side
1,588,764.87x = 1,893,467,962,493.86 - Step 5: Solve for x
x = 1,893,467,962,493.86/1,588,764.87 - Step 6: Final answer
x = 1,191,786.15
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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.