Home / 862,911.76-1,294,366.68-401,243.92

Finding the Fourth Proportional to 862,911.76, 1,294,366.68 and 401,243.92

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Solution

The fourth proportional to 862,911.76, 1,294,366.68 and 401,243.92 is: 601,865.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,911.76 : 1,294,366.68 = 401,243.92 : x
  2. Step 2: Convert to fraction form
    862,911.76/1,294,366.68 = 401,243.92/x
  3. Step 3: Cross multiply
    862,911.76x = 1,294,366.68 × 401,243.92
  4. Step 4: Simplify right side
    862,911.76x = 519,356,760,600.59
  5. Step 5: Solve for x
    x = 519,356,760,600.59/862,911.76
  6. Step 6: Final answer
    x = 601,865.43

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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.