Home / 526,988.92-790,609.35-172,003.60

Finding the Fourth Proportional to 526,988.92, 790,609.35 and 172,003.60

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Solution

The fourth proportional to 526,988.92, 790,609.35 and 172,003.60 is: 258,046.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,988.92 : 790,609.35 = 172,003.60 : x
  2. Step 2: Convert to fraction form
    526,988.92/790,609.35 = 172,003.60/x
  3. Step 3: Cross multiply
    526,988.92x = 790,609.35 × 172,003.60
  4. Step 4: Simplify right side
    526,988.92x = 135,987,654,393.66
  5. Step 5: Solve for x
    x = 135,987,654,393.66/526,988.92
  6. Step 6: Final answer
    x = 258,046.52

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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.