Home / 734,128.10-1,101,190.01-201,649.64

Finding the Fourth Proportional to 734,128.10, 1,101,190.01 and 201,649.64

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Solution

The fourth proportional to 734,128.10, 1,101,190.01 and 201,649.64 is: 302,473.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,128.10 : 1,101,190.01 = 201,649.64 : x
  2. Step 2: Convert to fraction form
    734,128.10/1,101,190.01 = 201,649.64/x
  3. Step 3: Cross multiply
    734,128.10x = 1,101,190.01 × 201,649.64
  4. Step 4: Simplify right side
    734,128.10x = 222,054,562,573.90
  5. Step 5: Solve for x
    x = 222,054,562,573.90/734,128.10
  6. Step 6: Final answer
    x = 302,473.87

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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.