Home / 432,007.20-647,184.60-232,261.20

Finding the Fourth Proportional to 432,007.20, 647,184.60 and 232,261.20

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Solution

The fourth proportional to 432,007.20, 647,184.60 and 232,261.20 is: 347,947.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,007.20 : 647,184.60 = 232,261.20 : x
  2. Step 2: Convert to fraction form
    432,007.20/647,184.60 = 232,261.20/x
  3. Step 3: Cross multiply
    432,007.20x = 647,184.60 × 232,261.20
  4. Step 4: Simplify right side
    432,007.20x = 150,315,871,817.52
  5. Step 5: Solve for x
    x = 150,315,871,817.52/432,007.20
  6. Step 6: Final answer
    x = 347,947.61

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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.