Home / 455,784.60-683,677.20-118,824.42

Finding the Fourth Proportional to 455,784.60, 683,677.20 and 118,824.42

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Solution

The fourth proportional to 455,784.60, 683,677.20 and 118,824.42 is: 178,236.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,784.60 : 683,677.20 = 118,824.42 : x
  2. Step 2: Convert to fraction form
    455,784.60/683,677.20 = 118,824.42/x
  3. Step 3: Cross multiply
    455,784.60x = 683,677.20 × 118,824.42
  4. Step 4: Simplify right side
    455,784.60x = 81,237,546,757.22
  5. Step 5: Solve for x
    x = 81,237,546,757.22/455,784.60
  6. Step 6: Final answer
    x = 178,236.71

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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.