Home / 842,989.56-1,164,635.46-706,812.36

Finding the Fourth Proportional to 842,989.56, 1,164,635.46 and 706,812.36

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Solution

The fourth proportional to 842,989.56, 1,164,635.46 and 706,812.36 is: 976,499.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,989.56 : 1,164,635.46 = 706,812.36 : x
  2. Step 2: Convert to fraction form
    842,989.56/1,164,635.46 = 706,812.36/x
  3. Step 3: Cross multiply
    842,989.56x = 1,164,635.46 × 706,812.36
  4. Step 4: Simplify right side
    842,989.56x = 823,178,738,022.29
  5. Step 5: Solve for x
    x = 823,178,738,022.29/842,989.56
  6. Step 6: Final answer
    x = 976,499.33

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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.