Home / 1,296,453.60-1,942,201.80-697,215.60

Finding the Fourth Proportional to 1,296,453.60, 1,942,201.80 and 697,215.60

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Solution

The fourth proportional to 1,296,453.60, 1,942,201.80 and 697,215.60 is: 1,044,490.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,453.60 : 1,942,201.80 = 697,215.60 : x
  2. Step 2: Convert to fraction form
    1,296,453.60/1,942,201.80 = 697,215.60/x
  3. Step 3: Cross multiply
    1,296,453.60x = 1,942,201.80 × 697,215.60
  4. Step 4: Simplify right side
    1,296,453.60x = 1,354,133,393,308.08
  5. Step 5: Solve for x
    x = 1,354,133,393,308.08/1,296,453.60
  6. Step 6: Final answer
    x = 1,044,490.44

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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.