Home / 572,067.96-789,491.52-330,360.72

Finding the Fourth Proportional to 572,067.96, 789,491.52 and 330,360.72

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Solution

The fourth proportional to 572,067.96, 789,491.52 and 330,360.72 is: 455,919.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,067.96 : 789,491.52 = 330,360.72 : x
  2. Step 2: Convert to fraction form
    572,067.96/789,491.52 = 330,360.72/x
  3. Step 3: Cross multiply
    572,067.96x = 789,491.52 × 330,360.72
  4. Step 4: Simplify right side
    572,067.96x = 260,816,986,981.09
  5. Step 5: Solve for x
    x = 260,816,986,981.09/572,067.96
  6. Step 6: Final answer
    x = 455,919.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.