Home / 1,279,327.50-1,919,000.97-437,886.54

Finding the Fourth Proportional to 1,279,327.50, 1,919,000.97 and 437,886.54

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Solution

The fourth proportional to 1,279,327.50, 1,919,000.97 and 437,886.54 is: 656,833.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,327.50 : 1,919,000.97 = 437,886.54 : x
  2. Step 2: Convert to fraction form
    1,279,327.50/1,919,000.97 = 437,886.54/x
  3. Step 3: Cross multiply
    1,279,327.50x = 1,919,000.97 × 437,886.54
  4. Step 4: Simplify right side
    1,279,327.50x = 840,304,695,009.94
  5. Step 5: Solve for x
    x = 840,304,695,009.94/1,279,327.50
  6. Step 6: Final answer
    x = 656,833.14

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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.