Home / 726,225.80-1,089,905.70-503,151.80

Finding the Fourth Proportional to 726,225.80, 1,089,905.70 and 503,151.80

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Solution

The fourth proportional to 726,225.80, 1,089,905.70 and 503,151.80 is: 755,120.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,225.80 : 1,089,905.70 = 503,151.80 : x
  2. Step 2: Convert to fraction form
    726,225.80/1,089,905.70 = 503,151.80/x
  3. Step 3: Cross multiply
    726,225.80x = 1,089,905.70 × 503,151.80
  4. Step 4: Simplify right side
    726,225.80x = 548,388,014,785.26
  5. Step 5: Solve for x
    x = 548,388,014,785.26/726,225.80
  6. Step 6: Final answer
    x = 755,120.54

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1.5x scale

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.