Home / 1,256,015.30-1,884,138.15-414,568.90

Finding the Fourth Proportional to 1,256,015.30, 1,884,138.15 and 414,568.90

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Solution

The fourth proportional to 1,256,015.30, 1,884,138.15 and 414,568.90 is: 621,891.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,015.30 : 1,884,138.15 = 414,568.90 : x
  2. Step 2: Convert to fraction form
    1,256,015.30/1,884,138.15 = 414,568.90/x
  3. Step 3: Cross multiply
    1,256,015.30x = 1,884,138.15 × 414,568.90
  4. Step 4: Simplify right side
    1,256,015.30x = 781,105,080,293.54
  5. Step 5: Solve for x
    x = 781,105,080,293.54/1,256,015.30
  6. Step 6: Final answer
    x = 621,891.37

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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.