Home / 458,922.36-688,279.56-174,511.50

Finding the Fourth Proportional to 458,922.36, 688,279.56 and 174,511.50

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Solution

The fourth proportional to 458,922.36, 688,279.56 and 174,511.50 is: 261,727.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,922.36 : 688,279.56 = 174,511.50 : x
  2. Step 2: Convert to fraction form
    458,922.36/688,279.56 = 174,511.50/x
  3. Step 3: Cross multiply
    458,922.36x = 688,279.56 × 174,511.50
  4. Step 4: Simplify right side
    458,922.36x = 120,112,698,434.94
  5. Step 5: Solve for x
    x = 120,112,698,434.94/458,922.36
  6. Step 6: Final answer
    x = 261,727.71

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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.