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Finding the Fourth Proportional to 894,104.74, 1,233,897 and 512,205.34

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Solution

The fourth proportional to 894,104.74, 1,233,897 and 512,205.34 is: 706,861.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    894,104.74 : 1,233,897 = 512,205.34 : x
  2. Step 2: Convert to fraction form
    894,104.74/1,233,897 = 512,205.34/x
  3. Step 3: Cross multiply
    894,104.74x = 1,233,897 × 512,205.34
  4. Step 4: Simplify right side
    894,104.74x = 632,008,632,409.98
  5. Step 5: Solve for x
    x = 632,008,632,409.98/894,104.74
  6. Step 6: Final answer
    x = 706,861.96

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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.