Home / 777,630.26-1,166,445.40-186,654.26

Finding the Fourth Proportional to 777,630.26, 1,166,445.40 and 186,654.26

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Solution

The fourth proportional to 777,630.26, 1,166,445.40 and 186,654.26 is: 279,981.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,630.26 : 1,166,445.40 = 186,654.26 : x
  2. Step 2: Convert to fraction form
    777,630.26/1,166,445.40 = 186,654.26/x
  3. Step 3: Cross multiply
    777,630.26x = 1,166,445.40 × 186,654.26
  4. Step 4: Simplify right side
    777,630.26x = 217,722,002,967.40
  5. Step 5: Solve for x
    x = 217,722,002,967.40/777,630.26
  6. Step 6: Final answer
    x = 279,981.39

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Similar ratio
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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.