Home / 379,473.10-569,394.18-179,555.34

Finding the Fourth Proportional to 379,473.10, 569,394.18 and 179,555.34

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Solution

The fourth proportional to 379,473.10, 569,394.18 and 179,555.34 is: 269,420.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,473.10 : 569,394.18 = 179,555.34 : x
  2. Step 2: Convert to fraction form
    379,473.10/569,394.18 = 179,555.34/x
  3. Step 3: Cross multiply
    379,473.10x = 569,394.18 × 179,555.34
  4. Step 4: Simplify right side
    379,473.10x = 102,237,765,583.92
  5. Step 5: Solve for x
    x = 102,237,765,583.92/379,473.10
  6. Step 6: Final answer
    x = 269,420.32

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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.