Finding the Fourth Proportional to 927,714.05, 1,391,571.08 and 554,466.05
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Solution
The fourth proportional to 927,714.05, 1,391,571.08 and 554,466.05 is: 831,699.08
Step by Step Solution
- Step 1: Write the proportion equation
927,714.05 : 1,391,571.08 = 554,466.05 : x - Step 2: Convert to fraction form
927,714.05/1,391,571.08 = 554,466.05/x - Step 3: Cross multiply
927,714.05x = 1,391,571.08 × 554,466.05 - Step 4: Simplify right side
927,714.05x = 771,578,917,249.50 - Step 5: Solve for x
x = 771,578,917,249.50/927,714.05 - Step 6: Final answer
x = 831,699.08
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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.