Home / 1,259,863.80-1,889,795.70-691,025.10

Finding the Fourth Proportional to 1,259,863.80, 1,889,795.70 and 691,025.10

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Solution

The fourth proportional to 1,259,863.80, 1,889,795.70 and 691,025.10 is: 1,036,537.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,863.80 : 1,889,795.70 = 691,025.10 : x
  2. Step 2: Convert to fraction form
    1,259,863.80/1,889,795.70 = 691,025.10/x
  3. Step 3: Cross multiply
    1,259,863.80x = 1,889,795.70 × 691,025.10
  4. Step 4: Simplify right side
    1,259,863.80x = 1,305,896,262,572.07
  5. Step 5: Solve for x
    x = 1,305,896,262,572.07/1,259,863.80
  6. Step 6: Final answer
    x = 1,036,537.65

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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.