Home / 458,974.96-688,461.27-122,015.46

Finding the Fourth Proportional to 458,974.96, 688,461.27 and 122,015.46

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Solution

The fourth proportional to 458,974.96, 688,461.27 and 122,015.46 is: 183,022.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,974.96 : 688,461.27 = 122,015.46 : x
  2. Step 2: Convert to fraction form
    458,974.96/688,461.27 = 122,015.46/x
  3. Step 3: Cross multiply
    458,974.96x = 688,461.27 × 122,015.46
  4. Step 4: Simplify right side
    458,974.96x = 84,002,921,361.74
  5. Step 5: Solve for x
    x = 84,002,921,361.74/458,974.96
  6. Step 6: Final answer
    x = 183,022.89

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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.