Home / 526,985.92-790,604.84-172,000.59

Finding the Fourth Proportional to 526,985.92, 790,604.84 and 172,000.59

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Solution

The fourth proportional to 526,985.92, 790,604.84 and 172,000.59 is: 258,042.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,985.92 : 790,604.84 = 172,000.59 : x
  2. Step 2: Convert to fraction form
    526,985.92/790,604.84 = 172,000.59/x
  3. Step 3: Cross multiply
    526,985.92x = 790,604.84 × 172,000.59
  4. Step 4: Simplify right side
    526,985.92x = 135,984,498,936.86
  5. Step 5: Solve for x
    x = 135,984,498,936.86/526,985.92
  6. Step 6: Final answer
    x = 258,042.00

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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.