Finding the Fourth Proportional to 702,122.20, 968,926.53 and 379,832.23
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Solution
The fourth proportional to 702,122.20, 968,926.53 and 379,832.23 is: 524,167.34
Step by Step Solution
- Step 1: Write the proportion equation
702,122.20 : 968,926.53 = 379,832.23 : x - Step 2: Convert to fraction form
702,122.20/968,926.53 = 379,832.23/x - Step 3: Cross multiply
702,122.20x = 968,926.53 × 379,832.23 - Step 4: Simplify right side
702,122.20x = 368,029,524,596.06 - Step 5: Solve for x
x = 368,029,524,596.06/702,122.20 - Step 6: Final answer
x = 524,167.34
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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.