Finding the Fourth Proportional to 1,115,886.64, 1,539,932.40 and 606,587.68
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Solution
The fourth proportional to 1,115,886.64, 1,539,932.40 and 606,587.68 is: 837,095.80
Step by Step Solution
- Step 1: Write the proportion equation
1,115,886.64 : 1,539,932.40 = 606,587.68 : x - Step 2: Convert to fraction form
1,115,886.64/1,539,932.40 = 606,587.68/x - Step 3: Cross multiply
1,115,886.64x = 1,539,932.40 × 606,587.68 - Step 4: Simplify right side
1,115,886.64x = 934,104,021,872.83 - Step 5: Solve for x
x = 934,104,021,872.83/1,115,886.64 - Step 6: Final answer
x = 837,095.80
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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.