Home / 1,387,958.07-2,082,144.47-441,359.67

Finding the Fourth Proportional to 1,387,958.07, 2,082,144.47 and 441,359.67

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Solution

The fourth proportional to 1,387,958.07, 2,082,144.47 and 441,359.67 is: 662,105.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,958.07 : 2,082,144.47 = 441,359.67 : x
  2. Step 2: Convert to fraction form
    1,387,958.07/2,082,144.47 = 441,359.67/x
  3. Step 3: Cross multiply
    1,387,958.07x = 2,082,144.47 × 441,359.67
  4. Step 4: Simplify right side
    1,387,958.07x = 918,974,593,964.73
  5. Step 5: Solve for x
    x = 918,974,593,964.73/1,387,958.07
  6. Step 6: Final answer
    x = 662,105.44

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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.