Home / 727,084.49-1,089,664.44-557,958.53

Finding the Fourth Proportional to 727,084.49, 1,089,664.44 and 557,958.53

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Solution

The fourth proportional to 727,084.49, 1,089,664.44 and 557,958.53 is: 836,199.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,084.49 : 1,089,664.44 = 557,958.53 : x
  2. Step 2: Convert to fraction form
    727,084.49/1,089,664.44 = 557,958.53/x
  3. Step 3: Cross multiply
    727,084.49x = 1,089,664.44 × 557,958.53
  4. Step 4: Simplify right side
    727,084.49x = 607,987,569,135.67
  5. Step 5: Solve for x
    x = 607,987,569,135.67/727,084.49
  6. Step 6: Final answer
    x = 836,199.34

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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.