Home / 1,029,912.06-1,544,967.40-319,749.42

Finding the Fourth Proportional to 1,029,912.06, 1,544,967.40 and 319,749.42

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Solution

The fourth proportional to 1,029,912.06, 1,544,967.40 and 319,749.42 is: 479,654.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,912.06 : 1,544,967.40 = 319,749.42 : x
  2. Step 2: Convert to fraction form
    1,029,912.06/1,544,967.40 = 319,749.42/x
  3. Step 3: Cross multiply
    1,029,912.06x = 1,544,967.40 × 319,749.42
  4. Step 4: Simplify right side
    1,029,912.06x = 494,002,430,068.91
  5. Step 5: Solve for x
    x = 494,002,430,068.91/1,029,912.06
  6. Step 6: Final answer
    x = 479,654.96

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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.