Finding the Fourth Proportional to 698,743.22, 1,048,336.36 and 249,454.44
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Solution
The fourth proportional to 698,743.22, 1,048,336.36 and 249,454.44 is: 374,260.75
Step by Step Solution
- Step 1: Write the proportion equation
698,743.22 : 1,048,336.36 = 249,454.44 : x - Step 2: Convert to fraction form
698,743.22/1,048,336.36 = 249,454.44/x - Step 3: Cross multiply
698,743.22x = 1,048,336.36 × 249,454.44 - Step 4: Simplify right side
698,743.22x = 261,512,159,615.44 - Step 5: Solve for x
x = 261,512,159,615.44/698,743.22 - Step 6: Final answer
x = 374,260.75
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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.