Home / 1,237,836.60-1,855,005.30-763,111.80

Finding the Fourth Proportional to 1,237,836.60, 1,855,005.30 and 763,111.80

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Solution

The fourth proportional to 1,237,836.60, 1,855,005.30 and 763,111.80 is: 1,143,589.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,836.60 : 1,855,005.30 = 763,111.80 : x
  2. Step 2: Convert to fraction form
    1,237,836.60/1,855,005.30 = 763,111.80/x
  3. Step 3: Cross multiply
    1,237,836.60x = 1,855,005.30 × 763,111.80
  4. Step 4: Simplify right side
    1,237,836.60x = 1,415,576,433,492.54
  5. Step 5: Solve for x
    x = 1,415,576,433,492.54/1,237,836.60
  6. Step 6: Final answer
    x = 1,143,589.09

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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.