Finding the Fourth Proportional to 1,037,981.31, 1,432,415.09 and 579,095.95
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Solution
The fourth proportional to 1,037,981.31, 1,432,415.09 and 579,095.95 is: 799,152.90
Step by Step Solution
- Step 1: Write the proportion equation
1,037,981.31 : 1,432,415.09 = 579,095.95 : x - Step 2: Convert to fraction form
1,037,981.31/1,432,415.09 = 579,095.95/x - Step 3: Cross multiply
1,037,981.31x = 1,432,415.09 × 579,095.95 - Step 4: Simplify right side
1,037,981.31x = 829,505,770,175.81 - Step 5: Solve for x
x = 829,505,770,175.81/1,037,981.31 - Step 6: Final answer
x = 799,152.90
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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.