Home / 412,869.10-619,304.58-113,353.78

Finding the Fourth Proportional to 412,869.10, 619,304.58 and 113,353.78

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Solution

The fourth proportional to 412,869.10, 619,304.58 and 113,353.78 is: 170,030.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,869.10 : 619,304.58 = 113,353.78 : x
  2. Step 2: Convert to fraction form
    412,869.10/619,304.58 = 113,353.78/x
  3. Step 3: Cross multiply
    412,869.10x = 619,304.58 × 113,353.78
  4. Step 4: Simplify right side
    412,869.10x = 70,200,515,114.31
  5. Step 5: Solve for x
    x = 70,200,515,114.31/412,869.10
  6. Step 6: Final answer
    x = 170,030.93

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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.