Finding the Fourth Proportional to 1,761,404.55, 2,430,697.11 and 1,036,298.97
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Solution
The fourth proportional to 1,761,404.55, 2,430,697.11 and 1,036,298.97 is: 1,430,068.36
Step by Step Solution
- Step 1: Write the proportion equation
1,761,404.55 : 2,430,697.11 = 1,036,298.97 : x - Step 2: Convert to fraction form
1,761,404.55/2,430,697.11 = 1,036,298.97/x - Step 3: Cross multiply
1,761,404.55x = 2,430,697.11 × 1,036,298.97 - Step 4: Simplify right side
1,761,404.55x = 2,518,928,911,474.98 - Step 5: Solve for x
x = 2,518,928,911,474.98/1,761,404.55 - Step 6: Final answer
x = 1,430,068.36
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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.