Home / 1,328,688.92-1,992,067.85-529,730.84

Finding the Fourth Proportional to 1,328,688.92, 1,992,067.85 and 529,730.84

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Solution

The fourth proportional to 1,328,688.92, 1,992,067.85 and 529,730.84 is: 794,211.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,688.92 : 1,992,067.85 = 529,730.84 : x
  2. Step 2: Convert to fraction form
    1,328,688.92/1,992,067.85 = 529,730.84/x
  3. Step 3: Cross multiply
    1,328,688.92x = 1,992,067.85 × 529,730.84
  4. Step 4: Simplify right side
    1,328,688.92x = 1,055,259,762,908.50
  5. Step 5: Solve for x
    x = 1,055,259,762,908.50/1,328,688.92
  6. Step 6: Final answer
    x = 794,211.31

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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.