Home / 397,985.56-597,007.73-113,700.18

Finding the Fourth Proportional to 397,985.56, 597,007.73 and 113,700.18

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Solution

The fourth proportional to 397,985.56, 597,007.73 and 113,700.18 is: 170,558.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,985.56 : 597,007.73 = 113,700.18 : x
  2. Step 2: Convert to fraction form
    397,985.56/597,007.73 = 113,700.18/x
  3. Step 3: Cross multiply
    397,985.56x = 597,007.73 × 113,700.18
  4. Step 4: Simplify right side
    397,985.56x = 67,879,886,362.39
  5. Step 5: Solve for x
    x = 67,879,886,362.39/397,985.56
  6. Step 6: Final answer
    x = 170,558.67

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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.