Home / 736,845.40-1,105,268.10-263,546.20

Finding the Fourth Proportional to 736,845.40, 1,105,268.10 and 263,546.20

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Solution

The fourth proportional to 736,845.40, 1,105,268.10 and 263,546.20 is: 395,319.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,845.40 : 1,105,268.10 = 263,546.20 : x
  2. Step 2: Convert to fraction form
    736,845.40/1,105,268.10 = 263,546.20/x
  3. Step 3: Cross multiply
    736,845.40x = 1,105,268.10 × 263,546.20
  4. Step 4: Simplify right side
    736,845.40x = 291,289,207,736.22
  5. Step 5: Solve for x
    x = 291,289,207,736.22/736,845.40
  6. Step 6: Final answer
    x = 395,319.30

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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.