Home / 723,134.08-1,084,763.76-190,650.88

Finding the Fourth Proportional to 723,134.08, 1,084,763.76 and 190,650.88

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Solution

The fourth proportional to 723,134.08, 1,084,763.76 and 190,650.88 is: 285,992.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,134.08 : 1,084,763.76 = 190,650.88 : x
  2. Step 2: Convert to fraction form
    723,134.08/1,084,763.76 = 190,650.88/x
  3. Step 3: Cross multiply
    723,134.08x = 1,084,763.76 × 190,650.88
  4. Step 4: Simplify right side
    723,134.08x = 206,811,165,436.11
  5. Step 5: Solve for x
    x = 206,811,165,436.11/723,134.08
  6. Step 6: Final answer
    x = 285,992.83

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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.