Finding the Fourth Proportional to 1,149,582.65, 1,586,452.64 and 640,293.53
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Solution
The fourth proportional to 1,149,582.65, 1,586,452.64 and 640,293.53 is: 883,620.99
Step by Step Solution
- Step 1: Write the proportion equation
1,149,582.65 : 1,586,452.64 = 640,293.53 : x - Step 2: Convert to fraction form
1,149,582.65/1,586,452.64 = 640,293.53/x - Step 3: Cross multiply
1,149,582.65x = 1,586,452.64 × 640,293.53 - Step 4: Simplify right side
1,149,582.65x = 1,015,795,349,909.69 - Step 5: Solve for x
x = 1,015,795,349,909.69/1,149,582.65 - Step 6: Final answer
x = 883,620.99
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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.