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Finding the Fourth Proportional to 804,906.90, 1,207,360.35 and 794,409.30

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Solution

The fourth proportional to 804,906.90, 1,207,360.35 and 794,409.30 is: 1,191,613.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,906.90 : 1,207,360.35 = 794,409.30 : x
  2. Step 2: Convert to fraction form
    804,906.90/1,207,360.35 = 794,409.30/x
  3. Step 3: Cross multiply
    804,906.90x = 1,207,360.35 × 794,409.30
  4. Step 4: Simplify right side
    804,906.90x = 959,138,290,491.26
  5. Step 5: Solve for x
    x = 959,138,290,491.26/804,906.90
  6. Step 6: Final answer
    x = 1,191,613.95

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Double scale
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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.