Home / 597,778.20-897,704.10-579,115.80

Finding the Fourth Proportional to 597,778.20, 897,704.10 and 579,115.80

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Solution

The fourth proportional to 597,778.20, 897,704.10 and 579,115.80 is: 869,678.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,778.20 : 897,704.10 = 579,115.80 : x
  2. Step 2: Convert to fraction form
    597,778.20/897,704.10 = 579,115.80/x
  3. Step 3: Cross multiply
    597,778.20x = 897,704.10 × 579,115.80
  4. Step 4: Simplify right side
    597,778.20x = 519,874,628,034.78
  5. Step 5: Solve for x
    x = 519,874,628,034.78/597,778.20
  6. Step 6: Final answer
    x = 869,678.13

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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.