Home / 1,207,568.70-1,666,446.15-663,704.34

Finding the Fourth Proportional to 1,207,568.70, 1,666,446.15 and 663,704.34

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Solution

The fourth proportional to 1,207,568.70, 1,666,446.15 and 663,704.34 is: 915,912.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,568.70 : 1,666,446.15 = 663,704.34 : x
  2. Step 2: Convert to fraction form
    1,207,568.70/1,666,446.15 = 663,704.34/x
  3. Step 3: Cross multiply
    1,207,568.70x = 1,666,446.15 × 663,704.34
  4. Step 4: Simplify right side
    1,207,568.70x = 1,106,027,542,131.29
  5. Step 5: Solve for x
    x = 1,106,027,542,131.29/1,207,568.70
  6. Step 6: Final answer
    x = 915,912.73

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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.