Home / 488,614.30-733,577.55-311,904.70

Finding the Fourth Proportional to 488,614.30, 733,577.55 and 311,904.70

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Solution

The fourth proportional to 488,614.30, 733,577.55 and 311,904.70 is: 468,275.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,614.30 : 733,577.55 = 311,904.70 : x
  2. Step 2: Convert to fraction form
    488,614.30/733,577.55 = 311,904.70/x
  3. Step 3: Cross multiply
    488,614.30x = 733,577.55 × 311,904.70
  4. Step 4: Simplify right side
    488,614.30x = 228,806,285,659.49
  5. Step 5: Solve for x
    x = 228,806,285,659.49/488,614.30
  6. Step 6: Final answer
    x = 468,275.87

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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.