Home / 734,080.40-1,101,120.60-510,131.60

Finding the Fourth Proportional to 734,080.40, 1,101,120.60 and 510,131.60

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Solution

The fourth proportional to 734,080.40, 1,101,120.60 and 510,131.60 is: 765,197.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,080.40 : 1,101,120.60 = 510,131.60 : x
  2. Step 2: Convert to fraction form
    734,080.40/1,101,120.60 = 510,131.60/x
  3. Step 3: Cross multiply
    734,080.40x = 1,101,120.60 × 510,131.60
  4. Step 4: Simplify right side
    734,080.40x = 561,716,413,470.96
  5. Step 5: Solve for x
    x = 561,716,413,470.96/734,080.40
  6. Step 6: Final answer
    x = 765,197.40

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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.