Home / 726,026.40-1,089,039.60-332,042.40

Finding the Fourth Proportional to 726,026.40, 1,089,039.60 and 332,042.40

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Solution

The fourth proportional to 726,026.40, 1,089,039.60 and 332,042.40 is: 498,063.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,026.40 : 1,089,039.60 = 332,042.40 : x
  2. Step 2: Convert to fraction form
    726,026.40/1,089,039.60 = 332,042.40/x
  3. Step 3: Cross multiply
    726,026.40x = 1,089,039.60 × 332,042.40
  4. Step 4: Simplify right side
    726,026.40x = 361,607,322,479.04
  5. Step 5: Solve for x
    x = 361,607,322,479.04/726,026.40
  6. Step 6: Final answer
    x = 498,063.60

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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.