Home / 792,444.36-1,188,962.46-319,263.96

Finding the Fourth Proportional to 792,444.36, 1,188,962.46 and 319,263.96

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Solution

The fourth proportional to 792,444.36, 1,188,962.46 and 319,263.96 is: 479,015.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,444.36 : 1,188,962.46 = 319,263.96 : x
  2. Step 2: Convert to fraction form
    792,444.36/1,188,962.46 = 319,263.96/x
  3. Step 3: Cross multiply
    792,444.36x = 1,188,962.46 × 319,263.96
  4. Step 4: Simplify right side
    792,444.36x = 379,592,863,270.94
  5. Step 5: Solve for x
    x = 379,592,863,270.94/792,444.36
  6. Step 6: Final answer
    x = 479,015.16

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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.