Home / 436,621.20-654,962.04-170,293.20

Finding the Fourth Proportional to 436,621.20, 654,962.04 and 170,293.20

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Solution

The fourth proportional to 436,621.20, 654,962.04 and 170,293.20 is: 255,451.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,621.20 : 654,962.04 = 170,293.20 : x
  2. Step 2: Convert to fraction form
    436,621.20/654,962.04 = 170,293.20/x
  3. Step 3: Cross multiply
    436,621.20x = 654,962.04 × 170,293.20
  4. Step 4: Simplify right side
    436,621.20x = 111,535,581,670.13
  5. Step 5: Solve for x
    x = 111,535,581,670.13/436,621.20
  6. Step 6: Final answer
    x = 255,451.59

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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.