Home / 1,018,103.54-1,526,481.23-485,706.74

Finding the Fourth Proportional to 1,018,103.54, 1,526,481.23 and 485,706.74

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Solution

The fourth proportional to 1,018,103.54, 1,526,481.23 and 485,706.74 is: 728,238.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,103.54 : 1,526,481.23 = 485,706.74 : x
  2. Step 2: Convert to fraction form
    1,018,103.54/1,526,481.23 = 485,706.74/x
  3. Step 3: Cross multiply
    1,018,103.54x = 1,526,481.23 × 485,706.74
  4. Step 4: Simplify right side
    1,018,103.54x = 741,422,221,894.49
  5. Step 5: Solve for x
    x = 741,422,221,894.49/1,018,103.54
  6. Step 6: Final answer
    x = 728,238.53

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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.