Home / 727,793.70-1,091,690.55-462,073.20

Finding the Fourth Proportional to 727,793.70, 1,091,690.55 and 462,073.20

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Solution

The fourth proportional to 727,793.70, 1,091,690.55 and 462,073.20 is: 693,109.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,793.70 : 1,091,690.55 = 462,073.20 : x
  2. Step 2: Convert to fraction form
    727,793.70/1,091,690.55 = 462,073.20/x
  3. Step 3: Cross multiply
    727,793.70x = 1,091,690.55 × 462,073.20
  4. Step 4: Simplify right side
    727,793.70x = 504,440,945,848.26
  5. Step 5: Solve for x
    x = 504,440,945,848.26/727,793.70
  6. Step 6: Final answer
    x = 693,109.80

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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.