Finding the Fourth Proportional to 1,286,203.98, 1,927,624.14 and 527,156.76
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Solution
The fourth proportional to 1,286,203.98, 1,927,624.14 and 527,156.76 is: 790,045.83
Step by Step Solution
- Step 1: Write the proportion equation
1,286,203.98 : 1,927,624.14 = 527,156.76 : x - Step 2: Convert to fraction form
1,286,203.98/1,927,624.14 = 527,156.76/x - Step 3: Cross multiply
1,286,203.98x = 1,927,624.14 × 527,156.76 - Step 4: Simplify right side
1,286,203.98x = 1,016,160,096,140.19 - Step 5: Solve for x
x = 1,016,160,096,140.19/1,286,203.98 - Step 6: Final answer
x = 790,045.83
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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.