Home / 766,853.40-1,150,280.91-765,745.86

Finding the Fourth Proportional to 766,853.40, 1,150,280.91 and 765,745.86

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Solution

The fourth proportional to 766,853.40, 1,150,280.91 and 765,745.86 is: 1,148,619.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,853.40 : 1,150,280.91 = 765,745.86 : x
  2. Step 2: Convert to fraction form
    766,853.40/1,150,280.91 = 765,745.86/x
  3. Step 3: Cross multiply
    766,853.40x = 1,150,280.91 × 765,745.86
  4. Step 4: Simplify right side
    766,853.40x = 880,822,844,669.53
  5. Step 5: Solve for x
    x = 880,822,844,669.53/766,853.40
  6. Step 6: Final answer
    x = 1,148,619.60

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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.