Home / 957,997.56-1,322,011.08-528,270.24

Finding the Fourth Proportional to 957,997.56, 1,322,011.08 and 528,270.24

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Solution

The fourth proportional to 957,997.56, 1,322,011.08 and 528,270.24 is: 728,998.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,997.56 : 1,322,011.08 = 528,270.24 : x
  2. Step 2: Convert to fraction form
    957,997.56/1,322,011.08 = 528,270.24/x
  3. Step 3: Cross multiply
    957,997.56x = 1,322,011.08 × 528,270.24
  4. Step 4: Simplify right side
    957,997.56x = 698,379,110,514.26
  5. Step 5: Solve for x
    x = 698,379,110,514.26/957,997.56
  6. Step 6: Final answer
    x = 728,998.84

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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.