Home / 705,090.30-1,057,805.55-231,750.60

Finding the Fourth Proportional to 705,090.30, 1,057,805.55 and 231,750.60

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Solution

The fourth proportional to 705,090.30, 1,057,805.55 and 231,750.60 is: 347,681.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,090.30 : 1,057,805.55 = 231,750.60 : x
  2. Step 2: Convert to fraction form
    705,090.30/1,057,805.55 = 231,750.60/x
  3. Step 3: Cross multiply
    705,090.30x = 1,057,805.55 × 231,750.60
  4. Step 4: Simplify right side
    705,090.30x = 245,147,070,895.83
  5. Step 5: Solve for x
    x = 245,147,070,895.83/705,090.30
  6. Step 6: Final answer
    x = 347,681.81

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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.