Home / 522,920.13-784,121.19-185,910.33

Finding the Fourth Proportional to 522,920.13, 784,121.19 and 185,910.33

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Solution

The fourth proportional to 522,920.13, 784,121.19 and 185,910.33 is: 278,773.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,920.13 : 784,121.19 = 185,910.33 : x
  2. Step 2: Convert to fraction form
    522,920.13/784,121.19 = 185,910.33/x
  3. Step 3: Cross multiply
    522,920.13x = 784,121.19 × 185,910.33
  4. Step 4: Simplify right side
    522,920.13x = 145,776,229,192.89
  5. Step 5: Solve for x
    x = 145,776,229,192.89/522,920.13
  6. Step 6: Final answer
    x = 278,773.41

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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.