Home / 945,855.72-1,306,702.56-619,942.08

Finding the Fourth Proportional to 945,855.72, 1,306,702.56 and 619,942.08

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Solution

The fourth proportional to 945,855.72, 1,306,702.56 and 619,942.08 is: 856,451.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,855.72 : 1,306,702.56 = 619,942.08 : x
  2. Step 2: Convert to fraction form
    945,855.72/1,306,702.56 = 619,942.08/x
  3. Step 3: Cross multiply
    945,855.72x = 1,306,702.56 × 619,942.08
  4. Step 4: Simplify right side
    945,855.72x = 810,079,902,987.73
  5. Step 5: Solve for x
    x = 810,079,902,987.73/945,855.72
  6. Step 6: Final answer
    x = 856,451.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.