Finding the Fourth Proportional to 541,989.99, 747,644.82 and 426,844.44
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Solution
The fourth proportional to 541,989.99, 747,644.82 and 426,844.44 is: 588,807.99
Step by Step Solution
- Step 1: Write the proportion equation
541,989.99 : 747,644.82 = 426,844.44 : x - Step 2: Convert to fraction form
541,989.99/747,644.82 = 426,844.44/x - Step 3: Cross multiply
541,989.99x = 747,644.82 × 426,844.44 - Step 4: Simplify right side
541,989.99x = 319,128,034,511.80 - Step 5: Solve for x
x = 319,128,034,511.80/541,989.99 - Step 6: Final answer
x = 588,807.99
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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.