Home / 619,670.03-929,485.60-340,939.31

Finding the Fourth Proportional to 619,670.03, 929,485.60 and 340,939.31

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Solution

The fourth proportional to 619,670.03, 929,485.60 and 340,939.31 is: 511,398.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,670.03 : 929,485.60 = 340,939.31 : x
  2. Step 2: Convert to fraction form
    619,670.03/929,485.60 = 340,939.31/x
  3. Step 3: Cross multiply
    619,670.03x = 929,485.60 × 340,939.31
  4. Step 4: Simplify right side
    619,670.03x = 316,898,179,118.94
  5. Step 5: Solve for x
    x = 316,898,179,118.94/619,670.03
  6. Step 6: Final answer
    x = 511,398.27

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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.