Home / 518,983.20-778,202.24-234,428.58

Finding the Fourth Proportional to 518,983.20, 778,202.24 and 234,428.58

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Solution

The fourth proportional to 518,983.20, 778,202.24 and 234,428.58 is: 351,519.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,983.20 : 778,202.24 = 234,428.58 : x
  2. Step 2: Convert to fraction form
    518,983.20/778,202.24 = 234,428.58/x
  3. Step 3: Cross multiply
    518,983.20x = 778,202.24 × 234,428.58
  4. Step 4: Simplify right side
    518,983.20x = 182,432,844,903.88
  5. Step 5: Solve for x
    x = 182,432,844,903.88/518,983.20
  6. Step 6: Final answer
    x = 351,519.75

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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.