Home / 1,158,288.76-1,735,512.90-819,651.52

Finding the Fourth Proportional to 1,158,288.76, 1,735,512.90 and 819,651.52

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Solution

The fourth proportional to 1,158,288.76, 1,735,512.90 and 819,651.52 is: 1,228,118.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,288.76 : 1,735,512.90 = 819,651.52 : x
  2. Step 2: Convert to fraction form
    1,158,288.76/1,735,512.90 = 819,651.52/x
  3. Step 3: Cross multiply
    1,158,288.76x = 1,735,512.90 × 819,651.52
  4. Step 4: Simplify right side
    1,158,288.76x = 1,422,515,786,464.61
  5. Step 5: Solve for x
    x = 1,422,515,786,464.61/1,158,288.76
  6. Step 6: Final answer
    x = 1,228,118.44

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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.