Finding the Fourth Proportional to 725,791.61, 1,001,535.68 and 403,482.08
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Solution
The fourth proportional to 725,791.61, 1,001,535.68 and 403,482.08 is: 556,773.72
Step by Step Solution
- Step 1: Write the proportion equation
725,791.61 : 1,001,535.68 = 403,482.08 : x - Step 2: Convert to fraction form
725,791.61/1,001,535.68 = 403,482.08/x - Step 3: Cross multiply
725,791.61x = 1,001,535.68 × 403,482.08 - Step 4: Simplify right side
725,791.61x = 404,101,692,335.53 - Step 5: Solve for x
x = 404,101,692,335.53/725,791.61 - Step 6: Final answer
x = 556,773.72
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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.