Home / 466,619.60-698,179.80-424,629.20

Finding the Fourth Proportional to 466,619.60, 698,179.80 and 424,629.20

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Solution

The fourth proportional to 466,619.60, 698,179.80 and 424,629.20 is: 635,351.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,619.60 : 698,179.80 = 424,629.20 : x
  2. Step 2: Convert to fraction form
    466,619.60/698,179.80 = 424,629.20/x
  3. Step 3: Cross multiply
    466,619.60x = 698,179.80 × 424,629.20
  4. Step 4: Simplify right side
    466,619.60x = 296,467,529,930.16
  5. Step 5: Solve for x
    x = 296,467,529,930.16/466,619.60
  6. Step 6: Final answer
    x = 635,351.64

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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.