Finding the Fourth Proportional to 746,684.19, 1,120,024.14 and 185,718.69
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Solution
The fourth proportional to 746,684.19, 1,120,024.14 and 185,718.69 is: 278,577.50
Step by Step Solution
- Step 1: Write the proportion equation
746,684.19 : 1,120,024.14 = 185,718.69 : x - Step 2: Convert to fraction form
746,684.19/1,120,024.14 = 185,718.69/x - Step 3: Cross multiply
746,684.19x = 1,120,024.14 × 185,718.69 - Step 4: Simplify right side
746,684.19x = 208,009,416,049.18 - Step 5: Solve for x
x = 208,009,416,049.18/746,684.19 - Step 6: Final answer
x = 278,577.50
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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.