Home / 1,336,735.40-2,005,103.10-1,115,301.65

Finding the Fourth Proportional to 1,336,735.40, 2,005,103.10 and 1,115,301.65

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Solution

The fourth proportional to 1,336,735.40, 2,005,103.10 and 1,115,301.65 is: 1,672,952.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,735.40 : 2,005,103.10 = 1,115,301.65 : x
  2. Step 2: Convert to fraction form
    1,336,735.40/2,005,103.10 = 1,115,301.65/x
  3. Step 3: Cross multiply
    1,336,735.40x = 2,005,103.10 × 1,115,301.65
  4. Step 4: Simplify right side
    1,336,735.40x = 2,236,294,795,850.11
  5. Step 5: Solve for x
    x = 2,236,294,795,850.11/1,336,735.40
  6. Step 6: Final answer
    x = 1,672,952.48

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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.