Home / 740,419.40-1,110,629.09-179,453.90

Finding the Fourth Proportional to 740,419.40, 1,110,629.09 and 179,453.90

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Solution

The fourth proportional to 740,419.40, 1,110,629.09 and 179,453.90 is: 269,180.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,419.40 : 1,110,629.09 = 179,453.90 : x
  2. Step 2: Convert to fraction form
    740,419.40/1,110,629.09 = 179,453.90/x
  3. Step 3: Cross multiply
    740,419.40x = 1,110,629.09 × 179,453.90
  4. Step 4: Simplify right side
    740,419.40x = 199,306,721,653.95
  5. Step 5: Solve for x
    x = 199,306,721,653.95/740,419.40
  6. Step 6: Final answer
    x = 269,180.85

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1.5x scale

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.