Finding the Fourth Proportional to 1,699,556.90, 2,345,455.41 and 935,681.54
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Solution
The fourth proportional to 1,699,556.90, 2,345,455.41 and 935,681.54 is: 1,291,277.35
Step by Step Solution
- Step 1: Write the proportion equation
1,699,556.90 : 2,345,455.41 = 935,681.54 : x - Step 2: Convert to fraction form
1,699,556.90/2,345,455.41 = 935,681.54/x - Step 3: Cross multiply
1,699,556.90x = 2,345,455.41 × 935,681.54 - Step 4: Simplify right side
1,699,556.90x = 2,194,599,330,030.13 - Step 5: Solve for x
x = 2,194,599,330,030.13/1,699,556.90 - Step 6: Final answer
x = 1,291,277.35
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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.