Home / 519,799.11-717,328.76-304,942.83

Finding the Fourth Proportional to 519,799.11, 717,328.76 and 304,942.83

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Solution

The fourth proportional to 519,799.11, 717,328.76 and 304,942.83 is: 420,824.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,799.11 : 717,328.76 = 304,942.83 : x
  2. Step 2: Convert to fraction form
    519,799.11/717,328.76 = 304,942.83/x
  3. Step 3: Cross multiply
    519,799.11x = 717,328.76 × 304,942.83
  4. Step 4: Simplify right side
    519,799.11x = 218,744,260,590.08
  5. Step 5: Solve for x
    x = 218,744,260,590.08/519,799.11
  6. Step 6: Final answer
    x = 420,824.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.