Home / 572,170.37-789,568.49-317,519.33

Finding the Fourth Proportional to 572,170.37, 789,568.49 and 317,519.33

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Solution

The fourth proportional to 572,170.37, 789,568.49 and 317,519.33 is: 438,161.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,170.37 : 789,568.49 = 317,519.33 : x
  2. Step 2: Convert to fraction form
    572,170.37/789,568.49 = 317,519.33/x
  3. Step 3: Cross multiply
    572,170.37x = 789,568.49 × 317,519.33
  4. Step 4: Simplify right side
    572,170.37x = 250,703,254,779.87
  5. Step 5: Solve for x
    x = 250,703,254,779.87/572,170.37
  6. Step 6: Final answer
    x = 438,161.90

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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.