Home / 539,162.20-808,224.90-419,152.60

Finding the Fourth Proportional to 539,162.20, 808,224.90 and 419,152.60

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Solution

The fourth proportional to 539,162.20, 808,224.90 and 419,152.60 is: 628,325.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,162.20 : 808,224.90 = 419,152.60 : x
  2. Step 2: Convert to fraction form
    539,162.20/808,224.90 = 419,152.60/x
  3. Step 3: Cross multiply
    539,162.20x = 808,224.90 × 419,152.60
  4. Step 4: Simplify right side
    539,162.20x = 338,769,568,219.74
  5. Step 5: Solve for x
    x = 338,769,568,219.74/539,162.20
  6. Step 6: Final answer
    x = 628,325.89

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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.