Home / 1,400,103.36-1,928,076.48-1,216,257.60

Finding the Fourth Proportional to 1,400,103.36, 1,928,076.48 and 1,216,257.60

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Solution

The fourth proportional to 1,400,103.36, 1,928,076.48 and 1,216,257.60 is: 1,674,903.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400,103.36 : 1,928,076.48 = 1,216,257.60 : x
  2. Step 2: Convert to fraction form
    1,400,103.36/1,928,076.48 = 1,216,257.60/x
  3. Step 3: Cross multiply
    1,400,103.36x = 1,928,076.48 × 1,216,257.60
  4. Step 4: Simplify right side
    1,400,103.36x = 2,345,037,672,181.25
  5. Step 5: Solve for x
    x = 2,345,037,672,181.25/1,400,103.36
  6. Step 6: Final answer
    x = 1,674,903.25

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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.