Home / 526,508.67-789,845.01-171,440.10

Finding the Fourth Proportional to 526,508.67, 789,845.01 and 171,440.10

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Solution

The fourth proportional to 526,508.67, 789,845.01 and 171,440.10 is: 257,186.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,508.67 : 789,845.01 = 171,440.10 : x
  2. Step 2: Convert to fraction form
    526,508.67/789,845.01 = 171,440.10/x
  3. Step 3: Cross multiply
    526,508.67x = 789,845.01 × 171,440.10
  4. Step 4: Simplify right side
    526,508.67x = 135,411,107,498.90
  5. Step 5: Solve for x
    x = 135,411,107,498.90/526,508.67
  6. Step 6: Final answer
    x = 257,186.85

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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.