Finding the Fourth Proportional to 742,781.04, 1,025,049.72 and 403,249
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Solution
The fourth proportional to 742,781.04, 1,025,049.72 and 403,249 is: 556,490.07
Step by Step Solution
- Step 1: Write the proportion equation
742,781.04 : 1,025,049.72 = 403,249 : x - Step 2: Convert to fraction form
742,781.04/1,025,049.72 = 403,249/x - Step 3: Cross multiply
742,781.04x = 1,025,049.72 × 403,249 - Step 4: Simplify right side
742,781.04x = 413,350,274,540.28 - Step 5: Solve for x
x = 413,350,274,540.28/742,781.04 - Step 6: Final answer
x = 556,490.07
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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.