Home / 432,235.20-647,526.60-232,489.20

Finding the Fourth Proportional to 432,235.20, 647,526.60 and 232,489.20

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Solution

The fourth proportional to 432,235.20, 647,526.60 and 232,489.20 is: 348,289.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,235.20 : 647,526.60 = 232,489.20 : x
  2. Step 2: Convert to fraction form
    432,235.20/647,526.60 = 232,489.20/x
  3. Step 3: Cross multiply
    432,235.20x = 647,526.60 × 232,489.20
  4. Step 4: Simplify right side
    432,235.20x = 150,542,941,212.72
  5. Step 5: Solve for x
    x = 150,542,941,212.72/432,235.20
  6. Step 6: Final answer
    x = 348,289.41

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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.