Home / 792,127.44-1,091,287.68-648,047.76

Finding the Fourth Proportional to 792,127.44, 1,091,287.68 and 648,047.76

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Solution

The fourth proportional to 792,127.44, 1,091,287.68 and 648,047.76 is: 892,793.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,127.44 : 1,091,287.68 = 648,047.76 : x
  2. Step 2: Convert to fraction form
    792,127.44/1,091,287.68 = 648,047.76/x
  3. Step 3: Cross multiply
    792,127.44x = 1,091,287.68 × 648,047.76
  4. Step 4: Simplify right side
    792,127.44x = 707,206,536,539.60
  5. Step 5: Solve for x
    x = 707,206,536,539.60/792,127.44
  6. Step 6: Final answer
    x = 892,793.89

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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.