Home / 1,177,612.78-1,624,330.61-850,380.86

Finding the Fourth Proportional to 1,177,612.78, 1,624,330.61 and 850,380.86

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Solution

The fourth proportional to 1,177,612.78, 1,624,330.61 and 850,380.86 is: 1,172,965.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,612.78 : 1,624,330.61 = 850,380.86 : x
  2. Step 2: Convert to fraction form
    1,177,612.78/1,624,330.61 = 850,380.86/x
  3. Step 3: Cross multiply
    1,177,612.78x = 1,624,330.61 × 850,380.86
  4. Step 4: Simplify right side
    1,177,612.78x = 1,381,299,648,682.57
  5. Step 5: Solve for x
    x = 1,381,299,648,682.57/1,177,612.78
  6. Step 6: Final answer
    x = 1,172,965.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.