Finding the Fourth Proportional to 524,917.84, 787,183.56 and 412,817.08
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Solution
The fourth proportional to 524,917.84, 787,183.56 and 412,817.08 is: 619,073.68
Step by Step Solution
- Step 1: Write the proportion equation
524,917.84 : 787,183.56 = 412,817.08 : x - Step 2: Convert to fraction form
524,917.84/787,183.56 = 412,817.08/x - Step 3: Cross multiply
524,917.84x = 787,183.56 × 412,817.08 - Step 4: Simplify right side
524,917.84x = 324,962,818,663.21 - Step 5: Solve for x
x = 324,962,818,663.21/524,917.84 - Step 6: Final answer
x = 619,073.68
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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.