Home / 412,868.10-619,303.08-113,352.78

Finding the Fourth Proportional to 412,868.10, 619,303.08 and 113,352.78

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Solution

The fourth proportional to 412,868.10, 619,303.08 and 113,352.78 is: 170,029.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,868.10 : 619,303.08 = 113,352.78 : x
  2. Step 2: Convert to fraction form
    412,868.10/619,303.08 = 113,352.78/x
  3. Step 3: Cross multiply
    412,868.10x = 619,303.08 × 113,352.78
  4. Step 4: Simplify right side
    412,868.10x = 70,199,725,780.56
  5. Step 5: Solve for x
    x = 70,199,725,780.56/412,868.10
  6. Step 6: Final answer
    x = 170,029.43

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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.