Finding the Fourth Proportional to 955,748.88, 1,433,444.76 and 386,979.60
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Solution
The fourth proportional to 955,748.88, 1,433,444.76 and 386,979.60 is: 580,397.10
Step by Step Solution
- Step 1: Write the proportion equation
955,748.88 : 1,433,444.76 = 386,979.60 : x - Step 2: Convert to fraction form
955,748.88/1,433,444.76 = 386,979.60/x - Step 3: Cross multiply
955,748.88x = 1,433,444.76 × 386,979.60 - Step 4: Simplify right side
955,748.88x = 554,713,879,846.90 - Step 5: Solve for x
x = 554,713,879,846.90/955,748.88 - Step 6: Final answer
x = 580,397.10
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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.