Home / 865,865.33-1,194,947.21-483,922.61

Finding the Fourth Proportional to 865,865.33, 1,194,947.21 and 483,922.61

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Solution

The fourth proportional to 865,865.33, 1,194,947.21 and 483,922.61 is: 667,842.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,865.33 : 1,194,947.21 = 483,922.61 : x
  2. Step 2: Convert to fraction form
    865,865.33/1,194,947.21 = 483,922.61/x
  3. Step 3: Cross multiply
    865,865.33x = 1,194,947.21 × 483,922.61
  4. Step 4: Simplify right side
    865,865.33x = 578,261,970,255.81
  5. Step 5: Solve for x
    x = 578,261,970,255.81/865,865.33
  6. Step 6: Final answer
    x = 667,842.85

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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.