Finding the Fourth Proportional to 936,840.14, 1,292,764.09 and 529,041.19
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Solution
The fourth proportional to 936,840.14, 1,292,764.09 and 529,041.19 is: 730,034.31
Step by Step Solution
- Step 1: Write the proportion equation
936,840.14 : 1,292,764.09 = 529,041.19 : x - Step 2: Convert to fraction form
936,840.14/1,292,764.09 = 529,041.19/x - Step 3: Cross multiply
936,840.14x = 1,292,764.09 × 529,041.19 - Step 4: Simplify right side
936,840.14x = 683,925,443,453.84 - Step 5: Solve for x
x = 683,925,443,453.84/936,840.14 - Step 6: Final answer
x = 730,034.31
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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.