Home / 397,823.36-596,749.44-131,590.40

Finding the Fourth Proportional to 397,823.36, 596,749.44 and 131,590.40

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Solution

The fourth proportional to 397,823.36, 596,749.44 and 131,590.40 is: 197,390.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,823.36 : 596,749.44 = 131,590.40 : x
  2. Step 2: Convert to fraction form
    397,823.36/596,749.44 = 131,590.40/x
  3. Step 3: Cross multiply
    397,823.36x = 596,749.44 × 131,590.40
  4. Step 4: Simplify right side
    397,823.36x = 78,526,497,509.38
  5. Step 5: Solve for x
    x = 78,526,497,509.38/397,823.36
  6. Step 6: Final answer
    x = 197,390.36

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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.