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Finding the Fourth Proportional to 885,874.81, 1,222,885.12 and 595,654.60

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Solution

The fourth proportional to 885,874.81, 1,222,885.12 and 595,654.60 is: 822,257.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,874.81 : 1,222,885.12 = 595,654.60 : x
  2. Step 2: Convert to fraction form
    885,874.81/1,222,885.12 = 595,654.60/x
  3. Step 3: Cross multiply
    885,874.81x = 1,222,885.12 × 595,654.60
  4. Step 4: Simplify right side
    885,874.81x = 728,417,146,999.55
  5. Step 5: Solve for x
    x = 728,417,146,999.55/885,874.81
  6. Step 6: Final answer
    x = 822,257.43

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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.