Home / 572,013.25-789,378.38-317,363.83

Finding the Fourth Proportional to 572,013.25, 789,378.38 and 317,363.83

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Solution

The fourth proportional to 572,013.25, 789,378.38 and 317,363.83 is: 437,962.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,013.25 : 789,378.38 = 317,363.83 : x
  2. Step 2: Convert to fraction form
    572,013.25/789,378.38 = 317,363.83/x
  3. Step 3: Cross multiply
    572,013.25x = 789,378.38 × 317,363.83
  4. Step 4: Simplify right side
    572,013.25x = 250,520,143,625.85
  5. Step 5: Solve for x
    x = 250,520,143,625.85/572,013.25
  6. Step 6: Final answer
    x = 437,962.14

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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.