Home / 950,499.20-1,426,132.80-418,121.60

Finding the Fourth Proportional to 950,499.20, 1,426,132.80 and 418,121.60

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Solution

The fourth proportional to 950,499.20, 1,426,132.80 and 418,121.60 is: 627,351.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,499.20 : 1,426,132.80 = 418,121.60 : x
  2. Step 2: Convert to fraction form
    950,499.20/1,426,132.80 = 418,121.60/x
  3. Step 3: Cross multiply
    950,499.20x = 1,426,132.80 × 418,121.60
  4. Step 4: Simplify right side
    950,499.20x = 596,296,928,148.48
  5. Step 5: Solve for x
    x = 596,296,928,148.48/950,499.20
  6. Step 6: Final answer
    x = 627,351.32

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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.