Home / 767,745.82-1,149,256.77-500,931.82

Finding the Fourth Proportional to 767,745.82, 1,149,256.77 and 500,931.82

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Solution

The fourth proportional to 767,745.82, 1,149,256.77 and 500,931.82 is: 749,856.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,745.82 : 1,149,256.77 = 500,931.82 : x
  2. Step 2: Convert to fraction form
    767,745.82/1,149,256.77 = 500,931.82/x
  3. Step 3: Cross multiply
    767,745.82x = 1,149,256.77 × 500,931.82
  4. Step 4: Simplify right side
    767,745.82x = 575,699,285,443.42
  5. Step 5: Solve for x
    x = 575,699,285,443.42/767,745.82
  6. Step 6: Final answer
    x = 749,856.62

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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.