Finding the Fourth Proportional to 742,626.24, 1,024,825.36 and 403,094.80
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Solution
The fourth proportional to 742,626.24, 1,024,825.36 and 403,094.80 is: 556,271.45
Step by Step Solution
- Step 1: Write the proportion equation
742,626.24 : 1,024,825.36 = 403,094.80 : x - Step 2: Convert to fraction form
742,626.24/1,024,825.36 = 403,094.80/x - Step 3: Cross multiply
742,626.24x = 1,024,825.36 × 403,094.80 - Step 4: Simplify right side
742,626.24x = 413,101,773,524.13 - Step 5: Solve for x
x = 413,101,773,524.13/742,626.24 - Step 6: Final answer
x = 556,271.45
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1.5x scale
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.