Finding the Fourth Proportional to 734,240.19, 1,101,360.29 and 260,944.23
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Solution
The fourth proportional to 734,240.19, 1,101,360.29 and 260,944.23 is: 391,416.35
Step by Step Solution
- Step 1: Write the proportion equation
734,240.19 : 1,101,360.29 = 260,944.23 : x - Step 2: Convert to fraction form
734,240.19/1,101,360.29 = 260,944.23/x - Step 3: Cross multiply
734,240.19x = 1,101,360.29 × 260,944.23 - Step 4: Simplify right side
734,240.19x = 287,393,612,826.63 - Step 5: Solve for x
x = 287,393,612,826.63/734,240.19 - Step 6: Final answer
x = 391,416.35
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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.