Home / 1,433,192.67-2,150,121.15-486,563.40

Finding the Fourth Proportional to 1,433,192.67, 2,150,121.15 and 486,563.40

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Solution

The fourth proportional to 1,433,192.67, 2,150,121.15 and 486,563.40 is: 729,957.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,192.67 : 2,150,121.15 = 486,563.40 : x
  2. Step 2: Convert to fraction form
    1,433,192.67/2,150,121.15 = 486,563.40/x
  3. Step 3: Cross multiply
    1,433,192.67x = 2,150,121.15 × 486,563.40
  4. Step 4: Simplify right side
    1,433,192.67x = 1,046,170,257,155.91
  5. Step 5: Solve for x
    x = 1,046,170,257,155.91/1,433,192.67
  6. Step 6: Final answer
    x = 729,957.86

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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.