Home / 619,512.60-929,050.20-220,166.40

Finding the Fourth Proportional to 619,512.60, 929,050.20 and 220,166.40

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Solution

The fourth proportional to 619,512.60, 929,050.20 and 220,166.40 is: 330,171.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,512.60 : 929,050.20 = 220,166.40 : x
  2. Step 2: Convert to fraction form
    619,512.60/929,050.20 = 220,166.40/x
  3. Step 3: Cross multiply
    619,512.60x = 929,050.20 × 220,166.40
  4. Step 4: Simplify right side
    619,512.60x = 204,545,637,953.28
  5. Step 5: Solve for x
    x = 204,545,637,953.28/619,512.60
  6. Step 6: Final answer
    x = 330,171.88

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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.