Finding the Fourth Proportional to 651,578.77, 898,181.95 and 457,441.86
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Solution
The fourth proportional to 651,578.77, 898,181.95 and 457,441.86 is: 630,569.99
Step by Step Solution
- Step 1: Write the proportion equation
651,578.77 : 898,181.95 = 457,441.86 : x - Step 2: Convert to fraction form
651,578.77/898,181.95 = 457,441.86/x - Step 3: Cross multiply
651,578.77x = 898,181.95 × 457,441.86 - Step 4: Simplify right side
651,578.77x = 410,866,019,260.13 - Step 5: Solve for x
x = 410,866,019,260.13/651,578.77 - Step 6: Final answer
x = 630,569.99
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1.5x scale
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.