Home / 1,272,408.33-1,909,972.11-514,745.07

Finding the Fourth Proportional to 1,272,408.33, 1,909,972.11 and 514,745.07

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Solution

The fourth proportional to 1,272,408.33, 1,909,972.11 and 514,745.07 is: 772,667.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,408.33 : 1,909,972.11 = 514,745.07 : x
  2. Step 2: Convert to fraction form
    1,272,408.33/1,909,972.11 = 514,745.07/x
  3. Step 3: Cross multiply
    1,272,408.33x = 1,909,972.11 × 514,745.07
  4. Step 4: Simplify right side
    1,272,408.33x = 983,148,735,447.85
  5. Step 5: Solve for x
    x = 983,148,735,447.85/1,272,408.33
  6. Step 6: Final answer
    x = 772,667.64

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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.