Home / 579,711.83-869,627.39-200,631.89

Finding the Fourth Proportional to 579,711.83, 869,627.39 and 200,631.89

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Solution

The fourth proportional to 579,711.83, 869,627.39 and 200,631.89 is: 300,968.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,711.83 : 869,627.39 = 200,631.89 : x
  2. Step 2: Convert to fraction form
    579,711.83/869,627.39 = 200,631.89/x
  3. Step 3: Cross multiply
    579,711.83x = 869,627.39 × 200,631.89
  4. Step 4: Simplify right side
    579,711.83x = 174,474,988,022.38
  5. Step 5: Solve for x
    x = 174,474,988,022.38/579,711.83
  6. Step 6: Final answer
    x = 300,968.48

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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.