Home / 693,367.60-1,040,051.40-646,711.60

Finding the Fourth Proportional to 693,367.60, 1,040,051.40 and 646,711.60

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Solution

The fourth proportional to 693,367.60, 1,040,051.40 and 646,711.60 is: 970,067.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,367.60 : 1,040,051.40 = 646,711.60 : x
  2. Step 2: Convert to fraction form
    693,367.60/1,040,051.40 = 646,711.60/x
  3. Step 3: Cross multiply
    693,367.60x = 1,040,051.40 × 646,711.60
  4. Step 4: Simplify right side
    693,367.60x = 672,613,304,976.24
  5. Step 5: Solve for x
    x = 672,613,304,976.24/693,367.60
  6. Step 6: Final answer
    x = 970,067.40

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Double scale
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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.