Home / 1,079,856.81-1,621,449.90-913,562.19

Finding the Fourth Proportional to 1,079,856.81, 1,621,449.90 and 913,562.19

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Solution

The fourth proportional to 1,079,856.81, 1,621,449.90 and 913,562.19 is: 1,371,751.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,856.81 : 1,621,449.90 = 913,562.19 : x
  2. Step 2: Convert to fraction form
    1,079,856.81/1,621,449.90 = 913,562.19/x
  3. Step 3: Cross multiply
    1,079,856.81x = 1,621,449.90 × 913,562.19
  4. Step 4: Simplify right side
    1,079,856.81x = 1,481,295,321,619.28
  5. Step 5: Solve for x
    x = 1,481,295,321,619.28/1,079,856.81
  6. Step 6: Final answer
    x = 1,371,751.61

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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.