Home / 412,623.60-618,868.96-113,034.12

Finding the Fourth Proportional to 412,623.60, 618,868.96 and 113,034.12

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Solution

The fourth proportional to 412,623.60, 618,868.96 and 113,034.12 is: 169,532.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,623.60 : 618,868.96 = 113,034.12 : x
  2. Step 2: Convert to fraction form
    412,623.60/618,868.96 = 113,034.12/x
  3. Step 3: Cross multiply
    412,623.60x = 618,868.96 × 113,034.12
  4. Step 4: Simplify right side
    412,623.60x = 69,953,308,288.92
  5. Step 5: Solve for x
    x = 69,953,308,288.92/412,623.60
  6. Step 6: Final answer
    x = 169,532.98

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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.