Home / 591,376.56-816,099.99-319,444.47

Finding the Fourth Proportional to 591,376.56, 816,099.99 and 319,444.47

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Solution

The fourth proportional to 591,376.56, 816,099.99 and 319,444.47 is: 440,833.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,376.56 : 816,099.99 = 319,444.47 : x
  2. Step 2: Convert to fraction form
    591,376.56/816,099.99 = 319,444.47/x
  3. Step 3: Cross multiply
    591,376.56x = 816,099.99 × 319,444.47
  4. Step 4: Simplify right side
    591,376.56x = 260,698,628,772.56
  5. Step 5: Solve for x
    x = 260,698,628,772.56/591,376.56
  6. Step 6: Final answer
    x = 440,833.55

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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.