Home / 715,015.50-1,072,523.25-265,849.44

Finding the Fourth Proportional to 715,015.50, 1,072,523.25 and 265,849.44

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Solution

The fourth proportional to 715,015.50, 1,072,523.25 and 265,849.44 is: 398,774.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,015.50 : 1,072,523.25 = 265,849.44 : x
  2. Step 2: Convert to fraction form
    715,015.50/1,072,523.25 = 265,849.44/x
  3. Step 3: Cross multiply
    715,015.50x = 1,072,523.25 × 265,849.44
  4. Step 4: Simplify right side
    715,015.50x = 285,129,705,399.48
  5. Step 5: Solve for x
    x = 285,129,705,399.48/715,015.50
  6. Step 6: Final answer
    x = 398,774.16

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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.