Home / 727,491.60-1,089,374.16-607,249.58

Finding the Fourth Proportional to 727,491.60, 1,089,374.16 and 607,249.58

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Solution

The fourth proportional to 727,491.60, 1,089,374.16 and 607,249.58 is: 909,319.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,491.60 : 1,089,374.16 = 607,249.58 : x
  2. Step 2: Convert to fraction form
    727,491.60/1,089,374.16 = 607,249.58/x
  3. Step 3: Cross multiply
    727,491.60x = 1,089,374.16 × 607,249.58
  4. Step 4: Simplify right side
    727,491.60x = 661,522,001,122.85
  5. Step 5: Solve for x
    x = 661,522,001,122.85/727,491.60
  6. Step 6: Final answer
    x = 909,319.09

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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.