Finding the Fourth Proportional to 959,136.71, 1,323,608.78 and 529,416.99
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Solution
The fourth proportional to 959,136.71, 1,323,608.78 and 529,416.99 is: 730,595.52
Step by Step Solution
- Step 1: Write the proportion equation
959,136.71 : 1,323,608.78 = 529,416.99 : x - Step 2: Convert to fraction form
959,136.71/1,323,608.78 = 529,416.99/x - Step 3: Cross multiply
959,136.71x = 1,323,608.78 × 529,416.99 - Step 4: Simplify right side
959,136.71x = 700,740,977,568.72 - Step 5: Solve for x
x = 700,740,977,568.72/959,136.71 - Step 6: Final answer
x = 730,595.52
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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.