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Finding the Fourth Proportional to 822,080.80, 1,231,954.80 and 607,171.60

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Solution

The fourth proportional to 822,080.80, 1,231,954.80 and 607,171.60 is: 909,895.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,080.80 : 1,231,954.80 = 607,171.60 : x
  2. Step 2: Convert to fraction form
    822,080.80/1,231,954.80 = 607,171.60/x
  3. Step 3: Cross multiply
    822,080.80x = 1,231,954.80 × 607,171.60
  4. Step 4: Simplify right side
    822,080.80x = 748,007,967,043.68
  5. Step 5: Solve for x
    x = 748,007,967,043.68/822,080.80
  6. Step 6: Final answer
    x = 909,895.92

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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.