Finding the Fourth Proportional to 951,205.08, 1,312,662.66 and 521,475.98
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Solution
The fourth proportional to 951,205.08, 1,312,662.66 and 521,475.98 is: 719,636.66
Step by Step Solution
- Step 1: Write the proportion equation
951,205.08 : 1,312,662.66 = 521,475.98 : x - Step 2: Convert to fraction form
951,205.08/1,312,662.66 = 521,475.98/x - Step 3: Cross multiply
951,205.08x = 1,312,662.66 × 521,475.98 - Step 4: Simplify right side
951,205.08x = 684,522,047,032.91 - Step 5: Solve for x
x = 684,522,047,032.91/951,205.08 - Step 6: Final answer
x = 719,636.66
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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.