Home / 726,095.14-1,001,993.70-394,942.57

Finding the Fourth Proportional to 726,095.14, 1,001,993.70 and 394,942.57

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Solution

The fourth proportional to 726,095.14, 1,001,993.70 and 394,942.57 is: 545,011.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,095.14 : 1,001,993.70 = 394,942.57 : x
  2. Step 2: Convert to fraction form
    726,095.14/1,001,993.70 = 394,942.57/x
  3. Step 3: Cross multiply
    726,095.14x = 1,001,993.70 × 394,942.57
  4. Step 4: Simplify right side
    726,095.14x = 395,729,967,001.81
  5. Step 5: Solve for x
    x = 395,729,967,001.81/726,095.14
  6. Step 6: Final answer
    x = 545,011.18

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1.5x scale

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.