Home / 619,443.42-929,077.56-198,664.62

Finding the Fourth Proportional to 619,443.42, 929,077.56 and 198,664.62

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Solution

The fourth proportional to 619,443.42, 929,077.56 and 198,664.62 is: 297,968.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,443.42 : 929,077.56 = 198,664.62 : x
  2. Step 2: Convert to fraction form
    619,443.42/929,077.56 = 198,664.62/x
  3. Step 3: Cross multiply
    619,443.42x = 929,077.56 × 198,664.62
  4. Step 4: Simplify right side
    619,443.42x = 184,574,840,407.93
  5. Step 5: Solve for x
    x = 184,574,840,407.93/619,443.42
  6. Step 6: Final answer
    x = 297,968.85

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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.