Home / 679,514.28-1,019,394.45-279,933

Finding the Fourth Proportional to 679,514.28, 1,019,394.45 and 279,933

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Solution

The fourth proportional to 679,514.28, 1,019,394.45 and 279,933 is: 419,950.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,514.28 : 1,019,394.45 = 279,933 : x
  2. Step 2: Convert to fraction form
    679,514.28/1,019,394.45 = 279,933/x
  3. Step 3: Cross multiply
    679,514.28x = 1,019,394.45 × 279,933
  4. Step 4: Simplify right side
    679,514.28x = 285,362,146,571.85
  5. Step 5: Solve for x
    x = 285,362,146,571.85/679,514.28
  6. Step 6: Final answer
    x = 419,950.18

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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.