Home / 526,986.42-790,605.59-172,001.09

Finding the Fourth Proportional to 526,986.42, 790,605.59 and 172,001.09

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Solution

The fourth proportional to 526,986.42, 790,605.59 and 172,001.09 is: 258,042.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,986.42 : 790,605.59 = 172,001.09 : x
  2. Step 2: Convert to fraction form
    526,986.42/790,605.59 = 172,001.09/x
  3. Step 3: Cross multiply
    526,986.42x = 790,605.59 × 172,001.09
  4. Step 4: Simplify right side
    526,986.42x = 135,985,018,427.06
  5. Step 5: Solve for x
    x = 135,985,018,427.06/526,986.42
  6. Step 6: Final answer
    x = 258,042.74

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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.