Home / 500,035.14-690,060.32-285,170.60

Finding the Fourth Proportional to 500,035.14, 690,060.32 and 285,170.60

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Solution

The fourth proportional to 500,035.14, 690,060.32 and 285,170.60 is: 393,542.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,035.14 : 690,060.32 = 285,170.60 : x
  2. Step 2: Convert to fraction form
    500,035.14/690,060.32 = 285,170.60/x
  3. Step 3: Cross multiply
    500,035.14x = 690,060.32 × 285,170.60
  4. Step 4: Simplify right side
    500,035.14x = 196,784,910,614.44
  5. Step 5: Solve for x
    x = 196,784,910,614.44/500,035.14
  6. Step 6: Final answer
    x = 393,542.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.