Finding the Fourth Proportional to 746,949.99, 1,030,752.50 and 407,352.63
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Solution
The fourth proportional to 746,949.99, 1,030,752.50 and 407,352.63 is: 562,125.64
Step by Step Solution
- Step 1: Write the proportion equation
746,949.99 : 1,030,752.50 = 407,352.63 : x - Step 2: Convert to fraction form
746,949.99/1,030,752.50 = 407,352.63/x - Step 3: Cross multiply
746,949.99x = 1,030,752.50 × 407,352.63 - Step 4: Simplify right side
746,949.99x = 419,879,739,717.31 - Step 5: Solve for x
x = 419,879,739,717.31/746,949.99 - Step 6: Final answer
x = 562,125.64
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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.