Home / 412,929.78-619,336.35-132,410.58

Finding the Fourth Proportional to 412,929.78, 619,336.35 and 132,410.58

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Solution

The fourth proportional to 412,929.78, 619,336.35 and 132,410.58 is: 198,597.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,929.78 : 619,336.35 = 132,410.58 : x
  2. Step 2: Convert to fraction form
    412,929.78/619,336.35 = 132,410.58/x
  3. Step 3: Cross multiply
    412,929.78x = 619,336.35 × 132,410.58
  4. Step 4: Simplify right side
    412,929.78x = 82,006,685,318.58
  5. Step 5: Solve for x
    x = 82,006,685,318.58/412,929.78
  6. Step 6: Final answer
    x = 198,597.17

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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.