Home / 886,346.41-1,329,521.78-353,910.73

Finding the Fourth Proportional to 886,346.41, 1,329,521.78 and 353,910.73

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Solution

The fourth proportional to 886,346.41, 1,329,521.78 and 353,910.73 is: 530,866.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,346.41 : 1,329,521.78 = 353,910.73 : x
  2. Step 2: Convert to fraction form
    886,346.41/1,329,521.78 = 353,910.73/x
  3. Step 3: Cross multiply
    886,346.41x = 1,329,521.78 × 353,910.73
  4. Step 4: Simplify right side
    886,346.41x = 470,532,023,710.70
  5. Step 5: Solve for x
    x = 470,532,023,710.70/886,346.41
  6. Step 6: Final answer
    x = 530,866.96

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Double scale
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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.