Home / 572,161.82-789,590.43-317,536.70

Finding the Fourth Proportional to 572,161.82, 789,590.43 and 317,536.70

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Solution

The fourth proportional to 572,161.82, 789,590.43 and 317,536.70 is: 438,204.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,161.82 : 789,590.43 = 317,536.70 : x
  2. Step 2: Convert to fraction form
    572,161.82/789,590.43 = 317,536.70/x
  3. Step 3: Cross multiply
    572,161.82x = 789,590.43 × 317,536.70
  4. Step 4: Simplify right side
    572,161.82x = 250,723,939,493.78
  5. Step 5: Solve for x
    x = 250,723,939,493.78/572,161.82
  6. Step 6: Final answer
    x = 438,204.60

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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.