Home / 729,895.80-1,094,843.70-256,519.65

Finding the Fourth Proportional to 729,895.80, 1,094,843.70 and 256,519.65

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Solution

The fourth proportional to 729,895.80, 1,094,843.70 and 256,519.65 is: 384,779.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,895.80 : 1,094,843.70 = 256,519.65 : x
  2. Step 2: Convert to fraction form
    729,895.80/1,094,843.70 = 256,519.65/x
  3. Step 3: Cross multiply
    729,895.80x = 1,094,843.70 × 256,519.65
  4. Step 4: Simplify right side
    729,895.80x = 280,848,922,728.71
  5. Step 5: Solve for x
    x = 280,848,922,728.71/729,895.80
  6. Step 6: Final answer
    x = 384,779.48

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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.