Home / 397,914.92-596,813.52-145,136.24

Finding the Fourth Proportional to 397,914.92, 596,813.52 and 145,136.24

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Solution

The fourth proportional to 397,914.92, 596,813.52 and 145,136.24 is: 217,682.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,914.92 : 596,813.52 = 145,136.24 : x
  2. Step 2: Convert to fraction form
    397,914.92/596,813.52 = 145,136.24/x
  3. Step 3: Cross multiply
    397,914.92x = 596,813.52 × 145,136.24
  4. Step 4: Simplify right side
    397,914.92x = 86,619,270,273.96
  5. Step 5: Solve for x
    x = 86,619,270,273.96/397,914.92
  6. Step 6: Final answer
    x = 217,682.89

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1.5x scale

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.