Home / 619,835.05-929,650.51-579,487.33

Finding the Fourth Proportional to 619,835.05, 929,650.51 and 579,487.33

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Solution

The fourth proportional to 619,835.05, 929,650.51 and 579,487.33 is: 869,135.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,835.05 : 929,650.51 = 579,487.33 : x
  2. Step 2: Convert to fraction form
    619,835.05/929,650.51 = 579,487.33/x
  3. Step 3: Cross multiply
    619,835.05x = 929,650.51 × 579,487.33
  4. Step 4: Simplify right side
    619,835.05x = 538,720,691,873.04
  5. Step 5: Solve for x
    x = 538,720,691,873.04/619,835.05
  6. Step 6: Final answer
    x = 869,135.57

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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.