Home / 691,819.65-954,734.85-401,409.27

Finding the Fourth Proportional to 691,819.65, 954,734.85 and 401,409.27

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Solution

The fourth proportional to 691,819.65, 954,734.85 and 401,409.27 is: 553,958.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,819.65 : 954,734.85 = 401,409.27 : x
  2. Step 2: Convert to fraction form
    691,819.65/954,734.85 = 401,409.27/x
  3. Step 3: Cross multiply
    691,819.65x = 954,734.85 × 401,409.27
  4. Step 4: Simplify right side
    691,819.65x = 383,239,419,182.06
  5. Step 5: Solve for x
    x = 383,239,419,182.06/691,819.65
  6. Step 6: Final answer
    x = 553,958.56

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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.