Finding the Fourth Proportional to 1,417,434.08, 1,956,010.30 and 805,576.19
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Solution
The fourth proportional to 1,417,434.08, 1,956,010.30 and 805,576.19 is: 1,111,667.44
Step by Step Solution
- Step 1: Write the proportion equation
1,417,434.08 : 1,956,010.30 = 805,576.19 : x - Step 2: Convert to fraction form
1,417,434.08/1,956,010.30 = 805,576.19/x - Step 3: Cross multiply
1,417,434.08x = 1,956,010.30 × 805,576.19 - Step 4: Simplify right side
1,417,434.08x = 1,575,715,313,280.77 - Step 5: Solve for x
x = 1,575,715,313,280.77/1,417,434.08 - Step 6: Final answer
x = 1,111,667.44
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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.