Home / 451,564.20-623,187.41-298,333.60

Finding the Fourth Proportional to 451,564.20, 623,187.41 and 298,333.60

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Solution

The fourth proportional to 451,564.20, 623,187.41 and 298,333.60 is: 411,719.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,564.20 : 623,187.41 = 298,333.60 : x
  2. Step 2: Convert to fraction form
    451,564.20/623,187.41 = 298,333.60/x
  3. Step 3: Cross multiply
    451,564.20x = 623,187.41 × 298,333.60
  4. Step 4: Simplify right side
    451,564.20x = 185,917,740,450.34
  5. Step 5: Solve for x
    x = 185,917,740,450.34/451,564.20
  6. Step 6: Final answer
    x = 411,719.40

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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.