Home / 533,629.50-736,583.67-383,163.90

Finding the Fourth Proportional to 533,629.50, 736,583.67 and 383,163.90

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Solution

The fourth proportional to 533,629.50, 736,583.67 and 383,163.90 is: 528,891.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,629.50 : 736,583.67 = 383,163.90 : x
  2. Step 2: Convert to fraction form
    533,629.50/736,583.67 = 383,163.90/x
  3. Step 3: Cross multiply
    533,629.50x = 736,583.67 × 383,163.90
  4. Step 4: Simplify right side
    533,629.50x = 282,232,271,673.51
  5. Step 5: Solve for x
    x = 282,232,271,673.51/533,629.50
  6. Step 6: Final answer
    x = 528,891.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.