Finding the Fourth Proportional to 1,598,189.76, 2,205,567.36 and 919,126.80
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Solution
The fourth proportional to 1,598,189.76, 2,205,567.36 and 919,126.80 is: 1,268,432.65
Step by Step Solution
- Step 1: Write the proportion equation
1,598,189.76 : 2,205,567.36 = 919,126.80 : x - Step 2: Convert to fraction form
1,598,189.76/2,205,567.36 = 919,126.80/x - Step 3: Cross multiply
1,598,189.76x = 2,205,567.36 × 919,126.80 - Step 4: Simplify right side
1,598,189.76x = 2,027,196,069,781.25 - Step 5: Solve for x
x = 2,027,196,069,781.25/1,598,189.76 - Step 6: Final answer
x = 1,268,432.65
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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.