Home / 513,079.58-769,632.60-243,144.38

Finding the Fourth Proportional to 513,079.58, 769,632.60 and 243,144.38

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Solution

The fourth proportional to 513,079.58, 769,632.60 and 243,144.38 is: 364,722.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,079.58 : 769,632.60 = 243,144.38 : x
  2. Step 2: Convert to fraction form
    513,079.58/769,632.60 = 243,144.38/x
  3. Step 3: Cross multiply
    513,079.58x = 769,632.60 × 243,144.38
  4. Step 4: Simplify right side
    513,079.58x = 187,131,841,354.79
  5. Step 5: Solve for x
    x = 187,131,841,354.79/513,079.58
  6. Step 6: Final answer
    x = 364,722.84

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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.