Home / 619,785.66-929,684.36-187,506.55

Finding the Fourth Proportional to 619,785.66, 929,684.36 and 187,506.55

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Solution

The fourth proportional to 619,785.66, 929,684.36 and 187,506.55 is: 281,261.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,785.66 : 929,684.36 = 187,506.55 : x
  2. Step 2: Convert to fraction form
    619,785.66/929,684.36 = 187,506.55/x
  3. Step 3: Cross multiply
    619,785.66x = 929,684.36 × 187,506.55
  4. Step 4: Simplify right side
    619,785.66x = 174,321,902,806.59
  5. Step 5: Solve for x
    x = 174,321,902,806.59/619,785.66
  6. Step 6: Final answer
    x = 281,261.59

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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.