Finding the Fourth Proportional to 1,154,994.58, 1,593,903.12 and 638,721.80
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Solution
The fourth proportional to 1,154,994.58, 1,593,903.12 and 638,721.80 is: 881,441.95
Step by Step Solution
- Step 1: Write the proportion equation
1,154,994.58 : 1,593,903.12 = 638,721.80 : x - Step 2: Convert to fraction form
1,154,994.58/1,593,903.12 = 638,721.80/x - Step 3: Cross multiply
1,154,994.58x = 1,593,903.12 × 638,721.80 - Step 4: Simplify right side
1,154,994.58x = 1,018,060,669,832.02 - Step 5: Solve for x
x = 1,018,060,669,832.02/1,154,994.58 - Step 6: Final answer
x = 881,441.95
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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.