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Finding the Fourth Proportional to 886,627.98, 1,223,547.98 and 504,654.75

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Solution

The fourth proportional to 886,627.98, 1,223,547.98 and 504,654.75 is: 696,424.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,627.98 : 1,223,547.98 = 504,654.75 : x
  2. Step 2: Convert to fraction form
    886,627.98/1,223,547.98 = 504,654.75/x
  3. Step 3: Cross multiply
    886,627.98x = 1,223,547.98 × 504,654.75
  4. Step 4: Simplify right side
    886,627.98x = 617,469,297,436.63
  5. Step 5: Solve for x
    x = 617,469,297,436.63/886,627.98
  6. Step 6: Final answer
    x = 696,424.33

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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.