Home / 410,831.20-616,880.40-224,207.20

Finding the Fourth Proportional to 410,831.20, 616,880.40 and 224,207.20

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Solution

The fourth proportional to 410,831.20, 616,880.40 and 224,207.20 is: 336,656.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,831.20 : 616,880.40 = 224,207.20 : x
  2. Step 2: Convert to fraction form
    410,831.20/616,880.40 = 224,207.20/x
  3. Step 3: Cross multiply
    410,831.20x = 616,880.40 × 224,207.20
  4. Step 4: Simplify right side
    410,831.20x = 138,309,027,218.88
  5. Step 5: Solve for x
    x = 138,309,027,218.88/410,831.20
  6. Step 6: Final answer
    x = 336,656.58

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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.