Home / 1,238,069.36-1,857,104.64-817,246.88

Finding the Fourth Proportional to 1,238,069.36, 1,857,104.64 and 817,246.88

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Solution

The fourth proportional to 1,238,069.36, 1,857,104.64 and 817,246.88 is: 1,225,870.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,069.36 : 1,857,104.64 = 817,246.88 : x
  2. Step 2: Convert to fraction form
    1,238,069.36/1,857,104.64 = 817,246.88/x
  3. Step 3: Cross multiply
    1,238,069.36x = 1,857,104.64 × 817,246.88
  4. Step 4: Simplify right side
    1,238,069.36x = 1,517,712,972,873.52
  5. Step 5: Solve for x
    x = 1,517,712,972,873.52/1,238,069.36
  6. Step 6: Final answer
    x = 1,225,870.72

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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.