Home / 571,744.05-789,055.26-317,177.25

Finding the Fourth Proportional to 571,744.05, 789,055.26 and 317,177.25

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Solution

The fourth proportional to 571,744.05, 789,055.26 and 317,177.25 is: 437,731.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,744.05 : 789,055.26 = 317,177.25 : x
  2. Step 2: Convert to fraction form
    571,744.05/789,055.26 = 317,177.25/x
  3. Step 3: Cross multiply
    571,744.05x = 789,055.26 × 317,177.25
  4. Step 4: Simplify right side
    571,744.05x = 250,270,377,464.84
  5. Step 5: Solve for x
    x = 250,270,377,464.84/571,744.05
  6. Step 6: Final answer
    x = 437,731.49

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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.