Home / 1,238,025.36-1,857,038.64-817,202.88

Finding the Fourth Proportional to 1,238,025.36, 1,857,038.64 and 817,202.88

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Solution

The fourth proportional to 1,238,025.36, 1,857,038.64 and 817,202.88 is: 1,225,804.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,025.36 : 1,857,038.64 = 817,202.88 : x
  2. Step 2: Convert to fraction form
    1,238,025.36/1,857,038.64 = 817,202.88/x
  3. Step 3: Cross multiply
    1,238,025.36x = 1,857,038.64 × 817,202.88
  4. Step 4: Simplify right side
    1,238,025.36x = 1,517,577,324,879.28
  5. Step 5: Solve for x
    x = 1,517,577,324,879.28/1,238,025.36
  6. Step 6: Final answer
    x = 1,225,804.72

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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.