Finding the Fourth Proportional to 664,111.95, 996,060.99 and 190,689.63
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Solution
The fourth proportional to 664,111.95, 996,060.99 and 190,689.63 is: 286,003.74
Step by Step Solution
- Step 1: Write the proportion equation
664,111.95 : 996,060.99 = 190,689.63 : x - Step 2: Convert to fraction form
664,111.95/996,060.99 = 190,689.63/x - Step 3: Cross multiply
664,111.95x = 996,060.99 × 190,689.63 - Step 4: Simplify right side
664,111.95x = 189,938,501,640.53 - Step 5: Solve for x
x = 189,938,501,640.53/664,111.95 - Step 6: Final answer
x = 286,003.74
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.