Home / 351,743.28-527,615.13-247,029.72

Finding the Fourth Proportional to 351,743.28, 527,615.13 and 247,029.72

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Solution

The fourth proportional to 351,743.28, 527,615.13 and 247,029.72 is: 370,544.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,743.28 : 527,615.13 = 247,029.72 : x
  2. Step 2: Convert to fraction form
    351,743.28/527,615.13 = 247,029.72/x
  3. Step 3: Cross multiply
    351,743.28x = 527,615.13 × 247,029.72
  4. Step 4: Simplify right side
    351,743.28x = 130,336,617,831.66
  5. Step 5: Solve for x
    x = 130,336,617,831.66/351,743.28
  6. Step 6: Final answer
    x = 370,544.73

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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.