Home / 824,781.41-1,236,396.39-445,133.24

Finding the Fourth Proportional to 824,781.41, 1,236,396.39 and 445,133.24

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Solution

The fourth proportional to 824,781.41, 1,236,396.39 and 445,133.24 is: 667,281.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,781.41 : 1,236,396.39 = 445,133.24 : x
  2. Step 2: Convert to fraction form
    824,781.41/1,236,396.39 = 445,133.24/x
  3. Step 3: Cross multiply
    824,781.41x = 1,236,396.39 × 445,133.24
  4. Step 4: Simplify right side
    824,781.41x = 550,361,124,823.02
  5. Step 5: Solve for x
    x = 550,361,124,823.02/824,781.41
  6. Step 6: Final answer
    x = 667,281.20

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Double scale
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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.