Finding the Fourth Proportional to 926,816.14, 1,279,025.70 and 524,408.14
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Solution
The fourth proportional to 926,816.14, 1,279,025.70 and 524,408.14 is: 723,694.23
Step by Step Solution
- Step 1: Write the proportion equation
926,816.14 : 1,279,025.70 = 524,408.14 : x - Step 2: Convert to fraction form
926,816.14/1,279,025.70 = 524,408.14/x - Step 3: Cross multiply
926,816.14x = 1,279,025.70 × 524,408.14 - Step 4: Simplify right side
926,816.14x = 670,731,488,349.20 - Step 5: Solve for x
x = 670,731,488,349.20/926,816.14 - Step 6: Final answer
x = 723,694.23
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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.