Finding the Fourth Proportional to 734,078.10, 1,101,117.15 and 482,945.70
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Solution
The fourth proportional to 734,078.10, 1,101,117.15 and 482,945.70 is: 724,418.55
Step by Step Solution
- Step 1: Write the proportion equation
734,078.10 : 1,101,117.15 = 482,945.70 : x - Step 2: Convert to fraction form
734,078.10/1,101,117.15 = 482,945.70/x - Step 3: Cross multiply
734,078.10x = 1,101,117.15 × 482,945.70 - Step 4: Simplify right side
734,078.10x = 531,779,792,788.76 - Step 5: Solve for x
x = 531,779,792,788.76/734,078.10 - Step 6: Final answer
x = 724,418.55
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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.