Home / 739,507.02-1,109,383.16-259,610.26

Finding the Fourth Proportional to 739,507.02, 1,109,383.16 and 259,610.26

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Solution

The fourth proportional to 739,507.02, 1,109,383.16 and 259,610.26 is: 389,458.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,507.02 : 1,109,383.16 = 259,610.26 : x
  2. Step 2: Convert to fraction form
    739,507.02/1,109,383.16 = 259,610.26/x
  3. Step 3: Cross multiply
    739,507.02x = 1,109,383.16 × 259,610.26
  4. Step 4: Simplify right side
    739,507.02x = 288,007,250,607.22
  5. Step 5: Solve for x
    x = 288,007,250,607.22/739,507.02
  6. Step 6: Final answer
    x = 389,458.44

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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.