Home / 668,819.45-1,003,333.75-219,438.11

Finding the Fourth Proportional to 668,819.45, 1,003,333.75 and 219,438.11

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Solution

The fourth proportional to 668,819.45, 1,003,333.75 and 219,438.11 is: 329,191.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,819.45 : 1,003,333.75 = 219,438.11 : x
  2. Step 2: Convert to fraction form
    668,819.45/1,003,333.75 = 219,438.11/x
  3. Step 3: Cross multiply
    668,819.45x = 1,003,333.75 × 219,438.11
  4. Step 4: Simplify right side
    668,819.45x = 220,169,663,758.95
  5. Step 5: Solve for x
    x = 220,169,663,758.95/668,819.45
  6. Step 6: Final answer
    x = 329,191.48

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1.5x scale

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.