Home / 445,811.60-668,717.40-296,253.20

Finding the Fourth Proportional to 445,811.60, 668,717.40 and 296,253.20

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Solution

The fourth proportional to 445,811.60, 668,717.40 and 296,253.20 is: 444,379.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,811.60 : 668,717.40 = 296,253.20 : x
  2. Step 2: Convert to fraction form
    445,811.60/668,717.40 = 296,253.20/x
  3. Step 3: Cross multiply
    445,811.60x = 668,717.40 × 296,253.20
  4. Step 4: Simplify right side
    445,811.60x = 198,109,669,645.68
  5. Step 5: Solve for x
    x = 198,109,669,645.68/445,811.60
  6. Step 6: Final answer
    x = 444,379.80

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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.