Home / 1,222,949.43-1,833,831.50-512,786.79

Finding the Fourth Proportional to 1,222,949.43, 1,833,831.50 and 512,786.79

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Solution

The fourth proportional to 1,222,949.43, 1,833,831.50 and 512,786.79 is: 768,931.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,949.43 : 1,833,831.50 = 512,786.79 : x
  2. Step 2: Convert to fraction form
    1,222,949.43/1,833,831.50 = 512,786.79/x
  3. Step 3: Cross multiply
    1,222,949.43x = 1,833,831.50 × 512,786.79
  4. Step 4: Simplify right side
    1,222,949.43x = 940,364,565,721.95
  5. Step 5: Solve for x
    x = 940,364,565,721.95/1,222,949.43
  6. Step 6: Final answer
    x = 768,931.68

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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.