Home / 397,946.99-596,836.80-128,099.27

Finding the Fourth Proportional to 397,946.99, 596,836.80 and 128,099.27

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Solution

The fourth proportional to 397,946.99, 596,836.80 and 128,099.27 is: 192,121.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,946.99 : 596,836.80 = 128,099.27 : x
  2. Step 2: Convert to fraction form
    397,946.99/596,836.80 = 128,099.27/x
  3. Step 3: Cross multiply
    397,946.99x = 596,836.80 × 128,099.27
  4. Step 4: Simplify right side
    397,946.99x = 76,454,355,404.95
  5. Step 5: Solve for x
    x = 76,454,355,404.95/397,946.99
  6. Step 6: Final answer
    x = 192,121.96

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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.