Home / 519,067.60-778,601.40-186,677.20

Finding the Fourth Proportional to 519,067.60, 778,601.40 and 186,677.20

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Solution

The fourth proportional to 519,067.60, 778,601.40 and 186,677.20 is: 280,015.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,067.60 : 778,601.40 = 186,677.20 : x
  2. Step 2: Convert to fraction form
    519,067.60/778,601.40 = 186,677.20/x
  3. Step 3: Cross multiply
    519,067.60x = 778,601.40 × 186,677.20
  4. Step 4: Simplify right side
    519,067.60x = 145,347,129,268.08
  5. Step 5: Solve for x
    x = 145,347,129,268.08/519,067.60
  6. Step 6: Final answer
    x = 280,015.80

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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.