Home / 572,149.44-789,575.04-317,511.36

Finding the Fourth Proportional to 572,149.44, 789,575.04 and 317,511.36

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Solution

The fourth proportional to 572,149.44, 789,575.04 and 317,511.36 is: 438,170.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,149.44 : 789,575.04 = 317,511.36 : x
  2. Step 2: Convert to fraction form
    572,149.44/789,575.04 = 317,511.36/x
  3. Step 3: Cross multiply
    572,149.44x = 789,575.04 × 317,511.36
  4. Step 4: Simplify right side
    572,149.44x = 250,699,044,772.45
  5. Step 5: Solve for x
    x = 250,699,044,772.45/572,149.44
  6. Step 6: Final answer
    x = 438,170.57

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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.