Home / 462,128.41-693,087.83-209,241.96

Finding the Fourth Proportional to 462,128.41, 693,087.83 and 209,241.96

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Solution

The fourth proportional to 462,128.41, 693,087.83 and 209,241.96 is: 313,815.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,128.41 : 693,087.83 = 209,241.96 : x
  2. Step 2: Convert to fraction form
    462,128.41/693,087.83 = 209,241.96/x
  3. Step 3: Cross multiply
    462,128.41x = 693,087.83 × 209,241.96
  4. Step 4: Simplify right side
    462,128.41x = 145,023,056,001.35
  5. Step 5: Solve for x
    x = 145,023,056,001.35/462,128.41
  6. Step 6: Final answer
    x = 313,815.50

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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.