Home / 672,786.17-1,009,179.26-461,784.41

Finding the Fourth Proportional to 672,786.17, 1,009,179.26 and 461,784.41

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Solution

The fourth proportional to 672,786.17, 1,009,179.26 and 461,784.41 is: 692,676.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,786.17 : 1,009,179.26 = 461,784.41 : x
  2. Step 2: Convert to fraction form
    672,786.17/1,009,179.26 = 461,784.41/x
  3. Step 3: Cross multiply
    672,786.17x = 1,009,179.26 × 461,784.41
  4. Step 4: Simplify right side
    672,786.17x = 466,023,251,109.05
  5. Step 5: Solve for x
    x = 466,023,251,109.05/672,786.17
  6. Step 6: Final answer
    x = 692,676.62

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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.