Home / 842,067.72-1,162,039.77-460,086.30

Finding the Fourth Proportional to 842,067.72, 1,162,039.77 and 460,086.30

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Solution

The fourth proportional to 842,067.72, 1,162,039.77 and 460,086.30 is: 634,911.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,067.72 : 1,162,039.77 = 460,086.30 : x
  2. Step 2: Convert to fraction form
    842,067.72/1,162,039.77 = 460,086.30/x
  3. Step 3: Cross multiply
    842,067.72x = 1,162,039.77 × 460,086.30
  4. Step 4: Simplify right side
    842,067.72x = 534,638,578,232.15
  5. Step 5: Solve for x
    x = 534,638,578,232.15/842,067.72
  6. Step 6: Final answer
    x = 634,911.62

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.