Home / 493,263.60-739,895.40-257,067.60

Finding the Fourth Proportional to 493,263.60, 739,895.40 and 257,067.60

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Solution

The fourth proportional to 493,263.60, 739,895.40 and 257,067.60 is: 385,601.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,263.60 : 739,895.40 = 257,067.60 : x
  2. Step 2: Convert to fraction form
    493,263.60/739,895.40 = 257,067.60/x
  3. Step 3: Cross multiply
    493,263.60x = 739,895.40 × 257,067.60
  4. Step 4: Simplify right side
    493,263.60x = 190,203,134,729.04
  5. Step 5: Solve for x
    x = 190,203,134,729.04/493,263.60
  6. Step 6: Final answer
    x = 385,601.40

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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.