Home / 533,629.80-736,408.87-291,912.31

Finding the Fourth Proportional to 533,629.80, 736,408.87 and 291,912.31

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Solution

The fourth proportional to 533,629.80, 736,408.87 and 291,912.31 is: 402,838.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,629.80 : 736,408.87 = 291,912.31 : x
  2. Step 2: Convert to fraction form
    533,629.80/736,408.87 = 291,912.31/x
  3. Step 3: Cross multiply
    533,629.80x = 736,408.87 × 291,912.31
  4. Step 4: Simplify right side
    533,629.80x = 214,966,814,346.19
  5. Step 5: Solve for x
    x = 214,966,814,346.19/533,629.80
  6. Step 6: Final answer
    x = 402,838.85

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1.5x scale

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.