Home / 952,061.58-1,428,126.39-320,980.86

Finding the Fourth Proportional to 952,061.58, 1,428,126.39 and 320,980.86

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Solution

The fourth proportional to 952,061.58, 1,428,126.39 and 320,980.86 is: 481,482.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    952,061.58 : 1,428,126.39 = 320,980.86 : x
  2. Step 2: Convert to fraction form
    952,061.58/1,428,126.39 = 320,980.86/x
  3. Step 3: Cross multiply
    952,061.58x = 1,428,126.39 × 320,980.86
  4. Step 4: Simplify right side
    952,061.58x = 458,401,236,850.90
  5. Step 5: Solve for x
    x = 458,401,236,850.90/952,061.58
  6. Step 6: Final answer
    x = 481,482.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.