Home / 792,848.61-1,189,262.55-193,815

Finding the Fourth Proportional to 792,848.61, 1,189,262.55 and 193,815

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Solution

The fourth proportional to 792,848.61, 1,189,262.55 and 193,815 is: 290,719.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,848.61 : 1,189,262.55 = 193,815 : x
  2. Step 2: Convert to fraction form
    792,848.61/1,189,262.55 = 193,815/x
  3. Step 3: Cross multiply
    792,848.61x = 1,189,262.55 × 193,815
  4. Step 4: Simplify right side
    792,848.61x = 230,496,921,128.25
  5. Step 5: Solve for x
    x = 230,496,921,128.25/792,848.61
  6. Step 6: Final answer
    x = 290,719.97

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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.