Home / 675,285.82-1,012,554.78-276,206.83

Finding the Fourth Proportional to 675,285.82, 1,012,554.78 and 276,206.83

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Solution

The fourth proportional to 675,285.82, 1,012,554.78 and 276,206.83 is: 414,157.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,285.82 : 1,012,554.78 = 276,206.83 : x
  2. Step 2: Convert to fraction form
    675,285.82/1,012,554.78 = 276,206.83/x
  3. Step 3: Cross multiply
    675,285.82x = 1,012,554.78 × 276,206.83
  4. Step 4: Simplify right side
    675,285.82x = 279,674,545,985.15
  5. Step 5: Solve for x
    x = 279,674,545,985.15/675,285.82
  6. Step 6: Final answer
    x = 414,157.29

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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.