Finding the Fourth Proportional to 1,588,898.07, 2,192,693.60 and 863,747.19
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Solution
The fourth proportional to 1,588,898.07, 2,192,693.60 and 863,747.19 is: 1,191,978.87
Step by Step Solution
- Step 1: Write the proportion equation
1,588,898.07 : 2,192,693.60 = 863,747.19 : x - Step 2: Convert to fraction form
1,588,898.07/2,192,693.60 = 863,747.19/x - Step 3: Cross multiply
1,588,898.07x = 2,192,693.60 × 863,747.19 - Step 4: Simplify right side
1,588,898.07x = 1,893,932,931,212.25 - Step 5: Solve for x
x = 1,893,932,931,212.25/1,588,898.07 - Step 6: Final answer
x = 1,191,978.87
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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.