Home / 830,116.46-1,145,563.08-481,324.46

Finding the Fourth Proportional to 830,116.46, 1,145,563.08 and 481,324.46

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Solution

The fourth proportional to 830,116.46, 1,145,563.08 and 481,324.46 is: 664,229.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,116.46 : 1,145,563.08 = 481,324.46 : x
  2. Step 2: Convert to fraction form
    830,116.46/1,145,563.08 = 481,324.46/x
  3. Step 3: Cross multiply
    830,116.46x = 1,145,563.08 × 481,324.46
  4. Step 4: Simplify right side
    830,116.46x = 551,387,530,876.94
  5. Step 5: Solve for x
    x = 551,387,530,876.94/830,116.46
  6. Step 6: Final answer
    x = 664,229.13

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.