Finding the Fourth Proportional to 1,332,916.08, 1,999,168.68 and 434,355.52
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Solution
The fourth proportional to 1,332,916.08, 1,999,168.68 and 434,355.52 is: 651,466.33
Step by Step Solution
- Step 1: Write the proportion equation
1,332,916.08 : 1,999,168.68 = 434,355.52 : x - Step 2: Convert to fraction form
1,332,916.08/1,999,168.68 = 434,355.52/x - Step 3: Cross multiply
1,332,916.08x = 1,999,168.68 × 434,355.52 - Step 4: Simplify right side
1,332,916.08x = 868,349,951,569.11 - Step 5: Solve for x
x = 868,349,951,569.11/1,332,916.08 - Step 6: Final answer
x = 651,466.33
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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.