Home / 862,243.20-1,292,801.52-412,949.52

Finding the Fourth Proportional to 862,243.20, 1,292,801.52 and 412,949.52

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Solution

The fourth proportional to 862,243.20, 1,292,801.52 and 412,949.52 is: 619,154.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,243.20 : 1,292,801.52 = 412,949.52 : x
  2. Step 2: Convert to fraction form
    862,243.20/1,292,801.52 = 412,949.52/x
  3. Step 3: Cross multiply
    862,243.20x = 1,292,801.52 × 412,949.52
  4. Step 4: Simplify right side
    862,243.20x = 533,861,767,139.27
  5. Step 5: Solve for x
    x = 533,861,767,139.27/862,243.20
  6. Step 6: Final answer
    x = 619,154.51

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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.