Home / 823,861.45-1,234,920.23-374,897.60

Finding the Fourth Proportional to 823,861.45, 1,234,920.23 and 374,897.60

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Solution

The fourth proportional to 823,861.45, 1,234,920.23 and 374,897.60 is: 561,949.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,861.45 : 1,234,920.23 = 374,897.60 : x
  2. Step 2: Convert to fraction form
    823,861.45/1,234,920.23 = 374,897.60/x
  3. Step 3: Cross multiply
    823,861.45x = 1,234,920.23 × 374,897.60
  4. Step 4: Simplify right side
    823,861.45x = 462,968,628,406.18
  5. Step 5: Solve for x
    x = 462,968,628,406.18/823,861.45
  6. Step 6: Final answer
    x = 561,949.62

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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.