Finding the Fourth Proportional to 1,692,235.53, 2,335,272.66 and 917,864.06
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Solution
The fourth proportional to 1,692,235.53, 2,335,272.66 and 917,864.06 is: 1,266,645.69
Step by Step Solution
- Step 1: Write the proportion equation
1,692,235.53 : 2,335,272.66 = 917,864.06 : x - Step 2: Convert to fraction form
1,692,235.53/2,335,272.66 = 917,864.06/x - Step 3: Cross multiply
1,692,235.53x = 2,335,272.66 × 917,864.06 - Step 4: Simplify right side
1,692,235.53x = 2,143,462,833,238.24 - Step 5: Solve for x
x = 2,143,462,833,238.24/1,692,235.53 - Step 6: Final answer
x = 1,266,645.69
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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.