Home / 519,968.68-779,949.42-145,992.04

Finding the Fourth Proportional to 519,968.68, 779,949.42 and 145,992.04

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Solution

The fourth proportional to 519,968.68, 779,949.42 and 145,992.04 is: 218,987.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,968.68 : 779,949.42 = 145,992.04 : x
  2. Step 2: Convert to fraction form
    519,968.68/779,949.42 = 145,992.04/x
  3. Step 3: Cross multiply
    519,968.68x = 779,949.42 × 145,992.04
  4. Step 4: Simplify right side
    519,968.68x = 113,866,406,922.62
  5. Step 5: Solve for x
    x = 113,866,406,922.62/519,968.68
  6. Step 6: Final answer
    x = 218,987.05

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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.