Home / 445,401.23-668,248.45-296,228.39

Finding the Fourth Proportional to 445,401.23, 668,248.45 and 296,228.39

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Solution

The fourth proportional to 445,401.23, 668,248.45 and 296,228.39 is: 444,440.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,401.23 : 668,248.45 = 296,228.39 : x
  2. Step 2: Convert to fraction form
    445,401.23/668,248.45 = 296,228.39/x
  3. Step 3: Cross multiply
    445,401.23x = 668,248.45 × 296,228.39
  4. Step 4: Simplify right side
    445,401.23x = 197,954,158,381.68
  5. Step 5: Solve for x
    x = 197,954,158,381.68/445,401.23
  6. Step 6: Final answer
    x = 444,440.09

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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.