Home / 405,845.10-608,250.06-192,612.60

Finding the Fourth Proportional to 405,845.10, 608,250.06 and 192,612.60

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Solution

The fourth proportional to 405,845.10, 608,250.06 and 192,612.60 is: 288,673.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,845.10 : 608,250.06 = 192,612.60 : x
  2. Step 2: Convert to fraction form
    405,845.10/608,250.06 = 192,612.60/x
  3. Step 3: Cross multiply
    405,845.10x = 608,250.06 × 192,612.60
  4. Step 4: Simplify right side
    405,845.10x = 117,156,625,506.76
  5. Step 5: Solve for x
    x = 117,156,625,506.76/405,845.10
  6. Step 6: Final answer
    x = 288,673.25

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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.