Home / 395,946.87-594,315.72-218,537.43

Finding the Fourth Proportional to 395,946.87, 594,315.72 and 218,537.43

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Solution

The fourth proportional to 395,946.87, 594,315.72 and 218,537.43 is: 328,024.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,946.87 : 594,315.72 = 218,537.43 : x
  2. Step 2: Convert to fraction form
    395,946.87/594,315.72 = 218,537.43/x
  3. Step 3: Cross multiply
    395,946.87x = 594,315.72 × 218,537.43
  4. Step 4: Simplify right side
    395,946.87x = 129,880,230,057.40
  5. Step 5: Solve for x
    x = 129,880,230,057.40/395,946.87
  6. Step 6: Final answer
    x = 328,024.39

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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.