Finding the Fourth Proportional to 742,596.58, 1,024,755.84 and 403,057.54
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Solution
The fourth proportional to 742,596.58, 1,024,755.84 and 403,057.54 is: 556,204.51
Step by Step Solution
- Step 1: Write the proportion equation
742,596.58 : 1,024,755.84 = 403,057.54 : x - Step 2: Convert to fraction form
742,596.58/1,024,755.84 = 403,057.54/x - Step 3: Cross multiply
742,596.58x = 1,024,755.84 × 403,057.54 - Step 4: Simplify right side
742,596.58x = 413,035,567,971.03 - Step 5: Solve for x
x = 413,035,567,971.03/742,596.58 - Step 6: Final answer
x = 556,204.51
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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.