Home / 397,834.13-596,745.35-98,314.70

Finding the Fourth Proportional to 397,834.13, 596,745.35 and 98,314.70

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Solution

The fourth proportional to 397,834.13, 596,745.35 and 98,314.70 is: 147,470.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,834.13 : 596,745.35 = 98,314.70 : x
  2. Step 2: Convert to fraction form
    397,834.13/596,745.35 = 98,314.70/x
  3. Step 3: Cross multiply
    397,834.13x = 596,745.35 × 98,314.70
  4. Step 4: Simplify right side
    397,834.13x = 58,668,840,311.72
  5. Step 5: Solve for x
    x = 58,668,840,311.72/397,834.13
  6. Step 6: Final answer
    x = 147,470.61

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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.