Home / 1,619,612-2,430,891.36-862,090.32

Finding the Fourth Proportional to 1,619,612, 2,430,891.36 and 862,090.32

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Solution

The fourth proportional to 1,619,612, 2,430,891.36 and 862,090.32 is: 1,293,919.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619,612 : 2,430,891.36 = 862,090.32 : x
  2. Step 2: Convert to fraction form
    1,619,612/2,430,891.36 = 862,090.32/x
  3. Step 3: Cross multiply
    1,619,612x = 2,430,891.36 × 862,090.32
  4. Step 4: Simplify right side
    1,619,612x = 2,095,647,910,427.64
  5. Step 5: Solve for x
    x = 2,095,647,910,427.64/1,619,612
  6. Step 6: Final answer
    x = 1,293,919.72

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1.5x scale

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.