Finding the Fourth Proportional to 1,719,101.40, 2,578,652.10 and 520,964.40
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Solution
The fourth proportional to 1,719,101.40, 2,578,652.10 and 520,964.40 is: 781,446.60
Step by Step Solution
- Step 1: Write the proportion equation
1,719,101.40 : 2,578,652.10 = 520,964.40 : x - Step 2: Convert to fraction form
1,719,101.40/2,578,652.10 = 520,964.40/x - Step 3: Cross multiply
1,719,101.40x = 2,578,652.10 × 520,964.40 - Step 4: Simplify right side
1,719,101.40x = 1,343,385,944,085.24 - Step 5: Solve for x
x = 1,343,385,944,085.24/1,719,101.40 - Step 6: Final answer
x = 781,446.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.