Home / 352,006.10-527,087.55-258,002.90

Finding the Fourth Proportional to 352,006.10, 527,087.55 and 258,002.90

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Solution

The fourth proportional to 352,006.10, 527,087.55 and 258,002.90 is: 386,328.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,006.10 : 527,087.55 = 258,002.90 : x
  2. Step 2: Convert to fraction form
    352,006.10/527,087.55 = 258,002.90/x
  3. Step 3: Cross multiply
    352,006.10x = 527,087.55 × 258,002.90
  4. Step 4: Simplify right side
    352,006.10x = 135,990,116,453.90
  5. Step 5: Solve for x
    x = 135,990,116,453.90/352,006.10
  6. Step 6: Final answer
    x = 386,328.86

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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.