Home / 867,393.36-1,301,867.64-726,122.88

Finding the Fourth Proportional to 867,393.36, 1,301,867.64 and 726,122.88

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Solution

The fourth proportional to 867,393.36, 1,301,867.64 and 726,122.88 is: 1,089,835.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,393.36 : 1,301,867.64 = 726,122.88 : x
  2. Step 2: Convert to fraction form
    867,393.36/1,301,867.64 = 726,122.88/x
  3. Step 3: Cross multiply
    867,393.36x = 1,301,867.64 × 726,122.88
  4. Step 4: Simplify right side
    867,393.36x = 945,315,880,135.60
  5. Step 5: Solve for x
    x = 945,315,880,135.60/867,393.36
  6. Step 6: Final answer
    x = 1,089,835.27

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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.