Home / 830,914.80-1,246,372.20-269,949.30

Finding the Fourth Proportional to 830,914.80, 1,246,372.20 and 269,949.30

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Solution

The fourth proportional to 830,914.80, 1,246,372.20 and 269,949.30 is: 404,923.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,914.80 : 1,246,372.20 = 269,949.30 : x
  2. Step 2: Convert to fraction form
    830,914.80/1,246,372.20 = 269,949.30/x
  3. Step 3: Cross multiply
    830,914.80x = 1,246,372.20 × 269,949.30
  4. Step 4: Simplify right side
    830,914.80x = 336,457,302,929.46
  5. Step 5: Solve for x
    x = 336,457,302,929.46/830,914.80
  6. Step 6: Final answer
    x = 404,923.95

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Double scale
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Similar ratio
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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.