Home / 951,660.42-1,313,288.55-543,888.78

Finding the Fourth Proportional to 951,660.42, 1,313,288.55 and 543,888.78

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Solution

The fourth proportional to 951,660.42, 1,313,288.55 and 543,888.78 is: 750,564.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,660.42 : 1,313,288.55 = 543,888.78 : x
  2. Step 2: Convert to fraction form
    951,660.42/1,313,288.55 = 543,888.78/x
  3. Step 3: Cross multiply
    951,660.42x = 1,313,288.55 × 543,888.78
  4. Step 4: Simplify right side
    951,660.42x = 714,282,907,247.47
  5. Step 5: Solve for x
    x = 714,282,907,247.47/951,660.42
  6. Step 6: Final answer
    x = 750,564.90

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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.